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Excavators

374 - Tier 4 / Stage V

No matter how hard the work, the Cat® 374 Excavator is built to do it. Three modes of operation, Power, Smart, and Eco, help operators reduce fuel consumption and optimize performance. Built for durability, the 374 is structurally sound with reinforced track rollers, booms, sticks, upper and lower frames. Simple, easy-to-use onboard technology such as Cat Payload, Cat Grade with 2D, Lift Assist, 2D E-Fence, and Work Tool Recognition helps boost efficiency and jobsite safety. The deluxe and standard cab options feature operator-pleasing ergonomic amenities such as the front-facing control panel, keyless pushbutton start, and large touchscreen monitor with jog dial keys.

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Overview

Engine

UNITS:

Metric

Imperial

Engine Model	Cat C15	Cat C15
Bore	137 mm	5.4 in
Stroke	171 mm	6.7 in
Displacement	15.2 l	928 in³
Biodiesel Capability	Up to B20¹	Up to B20¹
Emissions	Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards.	Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards.
Note (1)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,700 rpm. Advertised power is tested per the specified standard in effect at time of manufacture.	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,700 rpm. Advertised power is tested per the specified standard in effect at time of manufacture.
Note (2)	¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels.Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.	¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels.Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. * Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Hydraulic System

Maximum Pressure - Equipment	37000 kPa	5366 psi
Maximum Pressure - Travel	35000 kPa	5076 psi
Maximum Pressure - Swing	35000 kPa	5076 psi

Swing Mechanism

Swing Speed	6.34 r/min	6.34 r/min

Weights

Operating Weight	73890 kg	162900 lb
Note	Long Variable Gauge undercarriage, Reach boom, R4.67VB (15'4") stick, SD 3.3 m³ (4.32 yd³) bucket, 900 mm (35") HD double grouser shoes and removal type counterweight.	Long Variable Gauge undercarriage, Reach boom, R4.67VB (15'4") stick, SD 3.3 m³ (4.32 yd³) bucket, 900 mm (35") HD double grouser shoes and removal type counterweight.

Service Refill Capacities

Fuel Tank Capacity	920 l	243 gal (US)
Cooling System	71 l	19 gal (US)
Engine Oil	62 l	16 gal (US)
Swing Drive	20 l	5 gal (US)
Final Drive - Each	32 l	9 gal (US)
Hydraulic System - Including Tank	620 l	164 gal (US)
Hydraulic Tank	326 l	86 gal (US)
DEF Tank	80 l	21 gal (US)

Dimensions

Boom	Reach 7.8m (25'7")	Reach 7.8m (25'7")
Stick	R3.6m (11'10")	R3.6m (11'10")
Bucket	SD 3.3 m³ (4.32 yd³)	SD 3.3 m³ (4.32 yd³)
Shipping Height - Top of Cab	3559 mm	11.8 ft
Ground Clearance	782 mm	2.6 ft
Transport Width	3400 mm	11.1 lb/in
Note	Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps	Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps

Working Ranges and Forces

Boom	Reach 7.8m (25'7")	Reach 7.8m (25'7")
Stick	R3.6m (11'10")	R3.6m (11'10")
Bucket	SD 3.3 m³ (4.32 yd³)	SD 3.3 m³ (4.32 yd³)

Air Conditioning System

Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.00 kg (2.2lb) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.00 kg (2.2lb) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).

Features

Latest Features

Cab Monitor Improvements

Continuously improved user interface allows intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
Identify apps quickly with a grid list view, abbreviated app names, and categorized menu options.
A notification center keeps important information visible to the operator and displays messages without shrinking the camera view.
Color-coded notifications set critical messages apart from the rest.
Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.

Operator Coaching – Empower Operators. Exceed Targets.

Operator Coaching is an in-cab system that recognizes specific opportunities for operators to be more productive and prevent unnecessary machine wear and tear.
After detecting inefficient or restricted actions, the system alerts the operator and provides insight into the inefficiency and steps to improve.
Paired with a VisionLink Productivity subscription, this information and other Operator Coaching insights can be viewed anywhere.

Standard integrated vehicle health management system alerts operators with service guidance and parts needed to enhance uptime.

Not all features are available in all regions. Please check with your local Cat® dealer for specific offering availability in your area. Build Number: 07D

High Performance

Work up to 3000 m (9,840 ft) above sea level without de-rating.

Match the excavator to the job with three operating modes: Power, Smart, and ECO.

The engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V and Japan 2014 emission standards with an aftertreatment system that requires no operator input or downtime.

VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer. Review equipment data from your desktop or mobile device to maximize uptime and optimize assets.

Three levels of fuel filtration protect the engine from dirty diesel fuel.

Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.

The center track guiding guard helps align the excavator track when traveling and working on slopes.

The sloped track frame prevents mud and debris accumulation, helping reduce the risk of track damage.

Powerful swing torque easily handles changes in momentum, uneven terrain, and consistent high-impact connections, helping operators make their work swift and precise.

Multifunctioning is smooth and efficient with the hydrostatic swing circuit.

Auxiliary hydraulic options allow you to use a wide range of Cat® attachments.

Enhanced heavy lift mode increases system pressure to help you easily pick and place heavy material.

Booms, sticks, and frames are reinforced, giving you years of reliable performance in the harshest environments.

Advansys™ bucket tips increase penetration and improve cycle times. Tip changes can be done quickly with a simple lug wrench instead of a hammer or special tool, improving safety and uptime.

Auto warm-up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.

Don’t let the temperature stop you from working. This excavator has a high-ambient capability of 52° C (125° F) and a standard cold start capability of –18° C (-0.4° F).

Efficiency Through Technology

Boost productivity with standard Cat® Grade with 2D system – includes indicate-only and laser capability.

Operator Coaching is an in-cab system that recognizes specific opportunities for operators to be more productive and prevent unnecessary machine wear and tear.

Automatically stop excavator swing at operator-defined set points in truck loading and trenching applications with Swing Assist.

Cat® Payload helps you achieve precise load targets to improve operating efficiency. Pick up a load of material--with a bucket and thumb combination or grapple and clamshell attachments--and get a real-time weight estimate without swinging.

Combine Payload with VisionLink® and remotely manage your production targets.

Want a 3D system to improve your digging results? Caterpillar's single antenna global navigation satellite system (GNSS) makes it easy by giving you visual and auditory guidance to grade. Plus, you can create and edit designs on the touchscreen monitor while on the job. If your application calls for a dual antenna system, it’s easy to upgrade.

Upgrade to our dual antenna GNSS for maximum grading efficiency. The system lets you create and edit designs on the touchscreen monitor while you’re on the job, or you can have the plan design sent to the excavator to make your work easier. You also benefit from avoidance zones, cut and fill mapping, lane guidance, augmented reality, and advanced positioning capability.

Standard Grade Assist helps you stay on grade –and effortlessly – with single-lever digging.

All Cat® Grade systems are compatible with radios and base stations from Trimble, Topcon, and Leica. Already invested in a grade infrastructure? You can install Trimble, Topcon, and Leica grade systems onto the machine.

Dig with guidance to grade depth, slope, and horizontal distance. You can set up four different depth and slope targets to help save time and money.

Take the Guesswork Out of Managing Your Equipment

VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer. * Review equipment data from your desktop or mobile device to maximize uptime and optimize assets. Dashboards provide information such as hours, miles, location, idle time, and fuel utilization. Make informed decisions that lower costs, simplify maintenance, and improve safety and security on your jobsite.
VisionLink Productivity gathers and summarizes machine telematics and jobsite data from all your equipment – regardless of the manufacture.* View actionable information such as idle time, fuel burn, location, payload, load counts, total cycles, and more to improve machine efficiency, productivity, and utilization. Access data anywhere via a mobile, tablet, or desktop device - on or off the jobsite.
Cat® Inspect is a mobile application that allows you to easily perform digital preventative maintenance (PM) checks, inspections, and daily walkarounds. Inspections can easily be integrated with other Cat® data systems like VisionLink so you can keep a close eye on your fleet.
Remote Troubleshoot is a mobile application that allows your Cat® dealer to perform diagnostic testing on your connected machine remotely to help resolve issues quickly and with less downtime.
Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.
The Cat® PL161 attachment locator allows you to track attachments across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement. The work tool recognition feature automatically adjusts machine settings based on the selected tool.

Data field availability can vary by equipment manufacturer.

Easy Maintenance

Expect low maintenance costs with extended and synchronized service intervals.

Boost productivity with proactive service reminders. The Integrated Vehicle Health Management system alerts the operator with step-by-step service guidance and parts needed so you don't experience unnecessary downtime.

Check engine oil level quickly and safely with the engine oil dipstick on ground level.

Track your excavator’s filter life and maintenance intervals via the in-cab monitor.

The latest hydraulic oil filter provides high-quality filtration performance, anti-drain valves to keep oil clean when the filter is replaced, and the extended replacement interval offers efficiency and convenience.

The excavator is auto-lube ready with built-in mounting points; an available auto-lube retrofit kit provides additional hardware to mount a grease pump and line guards.

Using Cat® genuine oil and filters and doing typical S∙O∙S monitoring will extend the current service interval, giving you greater uptime to do more work.

S·O·S^SM ports with extended sampling intervals are on ground level, simplifying maintenance and allowing for quick, easy extraction of samples for fluid analysis.

The high-efficiency hydraulic fan has an automatic reverse function to keep cores free from debris, eliminating the need for any operator interaction.

The advanced air intake filter with pre-cleaner has a high dust-holding capacity.

The latest engine air cleaners with an integrated pre-cleaner surpass radial seal air cleaners' lifespan.

Dedicated Service and Superior Support

When you buy Cat® equipment, you get more than the machine. You’re also getting the support of a best-in-class dealer network backed by a range of flexible solutions, technology, tools, and more.

When you work with your local Cat dealer, you'll be supported by one of the industry's most extensive, knowledgeable dealer networks. Comprised of 160 independent dealers, the Cat Dealer Network serves 197 countries with thousands of branches around the globe.

It’s more uptime, cost-saving service and repair options, quality parts, and precision components. It’s all about support built around your success.

Ask your Cat dealer today about the many services that help you do your work your way.

The importance of buying genuine Cat parts.

Designed by Caterpillar engineers to the exact specs of your Cat equipment.
Rigorously tested to ensure maximum performance.
Covered by a 12-month warranty.

Cat Inspect – Work made easy.

Record real-time inspection data.
Simplify inspections and reporting.
Easy-to-read results all in one place.

Cat Ground Engaging Tools (GET) – Longer wear. More work.

GET for every machine and application.
Tools to extend life and track GET lifecycles.
Bucket rebuild options for optimal performance.

Cat Hydraulic Components – Durability quality you can work with.

Flexible options – New, reman, exchange, rebuild or repair.
Expert diagnostics, testing, and contamination control.
Buy in-store, online, or on your mobile device.

Cat Hose Service – Fast, safe—to get you back to work.

Hoses and couplings for most makes and models.
OEM database ensures an exact fit.
Industry-best tooling, training, and assembly standards.

Cat Certified Rebuild – An investment that works. Again, and again.

Better-than-when-new performance at a fraction of the cost.
Performance, safety, and technology upgrades and enhancements.
Full warranty coverage, Customer Value Agreement, and special financing.

Cat Remote Services – Work done in a flash.

Cut downtime for updates and service.
Install the latest machine software remotely.
Troubleshoot issues before a technician arrives.

24/7 Expert Support
Get industry-leading support for any question or problem you have 24 hours a day, 7 days a week, 365 days a year.

CALL US
We’re available 24/7 at
Toll Free:1-888-228-1460
Direct:1-513-830-1806
SMS:+13098656129

Learn more at https://parts.cat.com/

Work In Comfort

Two cab options – Deluxe, and Premium – let you choose the level of comfort you need.

Stay warm with the Deluxe heated seat; stay warm and cool with the Premium heated and ventilated seat.

Standard automatic climate control keeps you at the right temperature throughout your shift.

Get in and out of the cab more easily using the tip-up left console.

Advanced viscous mounts reduce cab vibration.

Control the excavator comfortably with easy-to-reach controls located in front of you.

Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles.

Use the standard radio’s USB ports and Bluetooth® technology to connect personal devices and make hands-free calls.

Consult your Cat® dealer for details.

Safely Home Every Day

Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the pushbutton starting feature.

Enhance operator safety by adding Cat® Command to your fleet. The remote-control system keeps you away from potential hazards. The non-line-of-site kit has a Wi-Fi radio, cameras, and a microphone to work anywhere.

Standard 2D E-Fence is integrated right out of the factory, preventing the excavator from moving outside operator-defined set points; the system works with thumb and bucket combinations, hammer, grapple, and clamshell attachments.

A travel direction indicator helps operators know which way to activate the travel levers.

A ground-level shutoff switch stops all fuel to the engine when activated and shuts down the machine.

The right-hand service platform design provides easy, safe, and quick access to the upper service platform; the service platform steps use serrated steps and an anti-skid punch plate to prevent slipping. The handrails comply with ISO 2867 requirements.

Lift Assist helps you avoid tipping by letting you know if your load is within the excavator’s safe working range limits.

The standard ROPS meets ISO 12117-2 2008 requirements.

Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab pillars, larger windows, and a flat engine hood design.

Enhance jobsite safety. Add a swing alarm to alert people when rotating from the trench to the stockpile.

Rear and right-hand-sideview cameras are standard. Upgrade to 360° visibility, and you’ll easily visualize objects and personnel around the excavator in a single view.

See all around the machine with the premium 360° lighting package and its 1800 lm lights on the chassis, cab, boom, sides, and rear.

Simple to Operate

Start the engine with a push button; use a Bluetooth key fob or the unique Operator ID function.

Automatic hydraulic oil warmup gets you to work faster in cold temperatures and helps prolong the life of components.

Make operating easier with the touch of a joystick button. Additional auxiliary relays allow you to power on or turn off a CB radio, beacon light, and even a dust suppression watering system without taking your hands off the joysticks.

Make moving the excavator much easier with Cat® Stick Steer. Push a button and use one hand to travel and turn instead of both hands or feet on levers or pedals.

Program each joystick button, including power mode, response, and pattern, using Operator ID; the machine will remember what you set each time you go to work.

Program up to four depth and slope offsets so you can easily get to grade without a grade checker – saving time and enhancing safety on the jobsite.

Not sure how a function works or how to maintain the excavator? Always have the operator’s manual at your fingertips on the touchscreen monitor.

Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.

Navigate quickly on the standard high-resolution 254 mm (10 in) touchscreen monitor or with jog dial control.

A second 254 mm (10 in) monitor is available for Cat Grade® and Cat Grade® with 3D.

The Cat PL161 attachment locator is a Bluetooth device designed to let users know where their attachments are across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement. The PL161 integrates easily into VisionLink® for full fleet management of machines and attachments from one smartphone or tablet dashboard to view location and tracking details.

Save more time and energy with the available work tool recognition feature. A simple shake of the attached tool confirms its identity and ensures all the attachment settings (pressure, flow, and dimensions) are correct so you can work quickly and efficiently.

Sustainability

The Cat® C15 engine meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards.
Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrogenated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
Cat® Grade technologies combine advanced guidance with optional automated machine control, helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy.
Auto Engine Speed Control reduces unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
Cat® Payload for excavators provides on-the-go material weighing, which helps reduce fuel burn by improving loading efficiency, job site productivity and eliminating trips to the scale.
Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards such as traffic - not only helping keep personnel safe but also helping you avoid repairs, downtime, and costly job site fines.
Extended maintenance intervals reduce downtime and decrease the amount of fluid and filters that are replaced over the machine's life.
Cat® VisionLink displays the CO2 emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.
Remote Flash minimizes downtime and maintenance time while keeping your asset running at maximum efficiency. Alerts for machine updates are sent virtually from your Cat® dealer, and updates can be deployed without a dealer technician needing to be onsite.
Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat® dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).
**Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

CAB

High-resolution 254 mm (10") LCD touch screen monitor
Heated seat with air-adjustable suspension (Deluxe only)
Heated and cooled seat with auto adjustable suspension (Premium only)
Sound suppressed cab with viscous mounts
Automatic bi-level air conditioner
Jog dial and shortcut keys for monitor control
Keyless push-to-start engine control
Height-adjustable console, infinite with no tool
Tilt-up left-side console
51 mm (2") orange seat belt
Bluetooth integrated radio (including USB, aux port and microphone)
2 x 12V DC outlets
Document storage
Rear head storage net and lunchbox storage net
Cup and bottle holders
Openable two-piece front window
Upper radial wiper with washer
Parallel wiper with washer (Premium only)
Openable polycarbonate skylight hatch (Premium only)
LED dome light
Floor welcome light
Roller front sunscreen
Roller rear sunscreen (Premium standard)
Rear window emergency exit
Washable floor mat
Beacon Ready

CAT TECHNOLOGY

VisionLink®
Remote Flash
Remote Troubleshoot
Operator Coaching
Compatibility with radios and base stations from Trimble, Topcon, and Leica
Capability to install 3D grade systems from Trimble, Topcon, and Leica
Cat Grade 2D
Cat Assist (Grade, Boom, Bucket, Swing, Lift)
Cat Payload (Static Weigh, Semiautomatic Calibration, Payload/Cycle Information, USB Reporting Capability)
Work tool recognition (Requires PL161 attachment locator on work tool and Bluetooth receiver on machine)
Work tool tracking (Requires PL161 attachment locator on work tool and Bluetooth receiver on machine)

ELECTRICAL SYSTEM

Maintenance-free 1,400 CCA batteries (x2)
Centralized electrical disconnect switch
Chassis light
Exterior lights (integrated into storage box)

ENGINE

Three selectable modes: Power, Smart, and Eco
Auto engine speed control
Up to 4500m (14,760 ft) altitude capability
52°C (126°F) high-ambient cooling capacity
-18°C (-0.4°F) cold start capability
Hydraulic reverse fan
Double element air filter with integrated pre-cleaner
3 vertical side-by-side cooling system
95 Amp alternator

HYDRAULIC SYSTEM

Boom and stick regeneration circuit
Electronic main control valve
Dedicated closed loop swing circuit
Auto heavy lift
Auto hydraulic oil warmup
Auto swing parking brake
High performance hydraulic return filter
Two speed travel
Bio hydraulic oil capability

SAFETY AND SECURITY

Caterpillar One Key security system
Lockable external tool / storage box
Lockable door, fuel, and hydraulic tank locks
Lockable disconnect switch
Service platform with anti-skid plate & recessed bolts
Right hand handrail and hand hold (ISO 2867:2011 compliant)
Visibility mirror package
Signaling/warning horn
Ground-level secondary engine shutoff switch
Rearview and right-hand-sideview cameras
Walkway
Travel alarm (North America only)
2D E-Fence (E-ceiling, E-floor, E-swing, E-wall, E-cab avoidance)
Auto hammer stop

SERVICE AND MAINTENANCE

Integrated vehicle health management system
Auto lube ready
Grouped location of engine oil & fuel filters
Sampling ports for Scheduled Oil Sampling (S·O·S℠)
QuickEvac maintenance ready

UNDERCARRIAGE AND STRUCTURES

Long variable gauge undercarriage
Swivel guard
Grease lubricated track
HD travel motor guard
Standard counterweight
HD bottom guard

Optional Equipment