Wheel Loaders

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993
993
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988 GC
  • 988 XE
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UNITS:
Metric
Imperial
Engine Model
Cat C32B
Cat C32B
Bore
145 mm
5.7 in
Displacement
32.1 l
1959 in³
Emissions
U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
Gross Power - SAE J1995
775 kW
1039 hp
Net Power - EEC 80/1269
726 kW
974 hp
Net Power - ISO 14396
764 kW
1024 hp
Net Power - ISO 9249
726 kW
974 hp
Net Power - SAE J1349
719 kW
964 hp
Peak Torque - 1,250 rpm
5470 N·m
4034 lb/ft
Rated Speed
1800 r/min
1800 r/min
Stroke
162 mm
6.4 in
Torque Rise
33%
33%
Note
Standard ambient cooling.
Standard ambient cooling.
Bore
145 mm
5.7 in
Displacement
32.1 l
1959 in³
Emissions
U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
U.S. EPA Tier 4 Final, U.S. EPA Tier 2 Equivalent
Engine Model
Cat C32B
Cat C32B
Gross Power - SAE J1995
767 kW
1029 hp
Net Power - EEC 80/1269
716 kW
960 hp
Net Power - ISO 14396
757 kW
1015 hp
Net Power - ISO 9249
716 kW
960 hp
Net Power - SAE J1349
710 kW
952 hp
Peak Torque - 1,250 rpm
5470 N·m
4034 ft-lb
Rated Speed
1800 r/min
1800 r/min
Stroke
162 mm
6.4 in
Torque Rise
33%
33%
Note
Standard ambient cooling.
Standard ambient cooling.
Operating Weight - Tier 4 Final*
133668 kg
294687 lb
 
-
 
-
Bucket Range
12.2-23.7 m3 (16.0-31.0 yd3)
12.2-23.7 m3 (16.0-31.0 yd3)
 
-
 
-
Articulation Angle
43 °
43 °
 
-
 
-
Cat Truck Match - Standard Lift
777
777
 
-
 
-
Cat Truck Match - High Lift
777, 785
777, 785
 
789/793/794
789/793/794
 
772/773/775
772/773/775
Operating Weight - Tier 2 Equivalent*
133668 kg
294687 lb
 
-
 
-
Rated Payload - High Lift
24.9 t
27.5 t
 
-
 
-
Rated Payload - Standard Lift
27.2 t
30 t
 
-
 
-
Note
*High lift, 50/65-51 (364-6315) tires, standard cooling, 13.8 m3 (18 yd3 ) bucket (496-9912).
*High lift, 50/65-51 (364-6315) tires, standard cooling, 13.8 m3 (18 yd3 ) bucket (496-9912).
 
*Please contact your local dealer to determine if your application is suitable for this increased rated payload.
*Please contact your local dealer to determine if your application is suitable for this increased rated payload.
 
-
Operating Weight - Standard
-
 
246651 kg
543772 lb
 
-
Operating Weight - High Lift
-
 
248421 kg
547675 lb
 
-
Rated Payload - Standard Lift (Low to Moderate Digging Resistance)
-
 
54.4 t
60 ton (US)
 
-
Rated Payload - Standard Lift (Moderate to High Digging Resistance)
-
 
45.3 t
50 ton (US)
 
-
Rated Payload - High Lift (Low to Moderate Digging Resistance)
-
 
49.9 t
55 ton (US)
 
-
Rated Payload - High Lift (Moderate to High Digging Resistance)
-
 
45.3 t
50 ton (US)
 
-
Cat Truck Match - Standard
-
 
785/789
785/789
 
-
Bucket Capacity Range
-
 
17.2-43.6 m3 (22.3-57 yd3)
17.2-43.6 m3 (22.3-57 yd3)
 
6.4-7.6 m3 (8.3-10 yd3)
6.4-7.6 m3 (8.3-10 yd3)
Operating Weight
-
 
-
 
53006 kg
116858 lb
Rated Payload - Quarry Face
-
 
-
 
11.3 t
12.5 ton (US)
Transmission Type
Cat Planetary Power Shift
Cat Planetary Power Shift
 
Cat Planetary Power Shift
Cat Planetary Power Shift
 
Cat planetary power shift
Cat planetary power shift
Forward - 1
6.8 km/h
4.2 mile/h
 
7.4 km/h
4.6 mile/h
 
7.3 km/h
5 mile/h
Forward - 2
11.9 km/h
7.4 mile/h
 
12.9 km/h
8 mile/h
 
12.2 km/h
8 mile/h
Forward - 3
20.5 km/h
12.7 mile/h
 
21.9 km/h
13.6 mile/h
 
-
Reverse - 1
7.5 km/h
4.7 mile/h
 
8.1 km/h
5 mile/h
 
7.6 km/h
5 mile/h
Reverse - 2
13.1 km/h
8.1 mile/h
 
14.1 km/h
8.8 mile/h
 
13.6 km/h
8 mile/h
Reverse - 3
22.5 km/h
13.9 mile/h
 
24 km/h
14.9 mile/h
 
-
Direct Drive - Forward 1
Lock-up disabled
Lock-up disabled
 
Lock-up disables
Lock-up disables
 
Lock-up disabled
Lock-up disabled
Direct Drive - Forward 2
13 km/h
8 mile/h
 
14 km/h
8.7 mile/h
 
12.7 km/h
8 mile/h
Direct Drive - Forward 3
22.8 km/h
14.1 mile/h
 
24.5 km/h
15.2 mile/h
 
22 km/h
14 mile/h
Direct Drive - Reverse 1
8 km/h
4.9 mile/h
 
Lock-up disables
Lock-up disables
 
Lock-up disabled
Lock-up disabled
Direct Drive - Reverse 2
14.2 km/h
8.8 mile/h
 
15.5 km/h
9.6 mile/h
 
14.1 km/h
9 mile/h
Direct Drive - Reverse 3
25.2 km/h
15.6 mile/h
 
27 km/h
16.8 mile/h
 
25 km/h
16 mile/h
Note
50/65-51 (364-6315) calculated speeds.
50/65-51 (364-6315) calculated speeds.
 
Travel speeds based on 58/85-57 tires.
Travel speeds based on 58/85-57 tires.
 
-
Direct Drive - Forward 4
-
 
-
 
39 km/h
24 mile/h
Direct Drive - Reverse 4
-
 
-
 
40.8 km/h
25.4 mile/h
Cylinders - Lift/Tilt
Double-acting
Double-acting
 
-
 
-
Lift Cylinder - Bore
267 mm
10.5 in
 
-
 
-
Lift Cylinder - Stroke
1682 mm
66.2 in
 
-
 
-
Lift/Tilt System - Circuit
Positive Flow Control
Positive Flow Control
 
Positive Flow Control
Positive Flow Control
 
EH - Load Sense
EH - Load Sense
Lift/Tilt System - Pump
Variable Piston
Variable Piston
 
Variable Displacement Piston
Variable Displacement Piston
 
-
Maximum Flow at 1,650 rpm
1180 l/min
311 gal/min
 
-
 
-
Relief Valve Setting - Lift/Tilt
29500 kPa
4200 psi
 
34500 kPa
5004 psi
 
31700 kPa
4598 psi
Tilt Cylinder - Bore
235 mm
9.3 in
 
-
 
-
Tilt Cylinder - Stroke
1040 mm
40.9 in
 
-
 
685 mm
27 in
Note
High Lift configuration.
High Lift configuration.
 
-
 
-
Maximum Flow at 1,700 rpm Engine Speed
-
 
2047 l/min
541 gal/min
 
-
Cylinders, Double Acting - Lift, Bore and Stroke
-
 
370 × 1713 mm (14.6 × 67.4 in)
370 × 1713 mm (14.6 × 67.4 in)
 
190 mm x 1216 mm (7.5 in x 48 in)
190 mm x 1216 mm (7.5 in x 48 in)
Cylinders, Double Acting - Tilt, Bore and Stroke
-
 
310 × 1086 mm (12.2 × 42.8 in)
310 × 1086 mm (12.2 × 42.8 in)
 
170 mm x 722 mm (6.7 in x 28.4 in)
170 mm x 722 mm (6.7 in x 28.4 in)
Pilot System
-
 
Open Loop and Pressure Reducing
Open Loop and Pressure Reducing
 
Variable displacement piston
Variable displacement piston
Lift/Tilt System
-
 
-
 
2X x 145 cc Variable displacement piston
2X x 145 cc Variable displacement piston
Maximum Flow at 2,165 rpm
-
 
-
 
600 l/min
159 gal/min
Dump
1.8 s
1.8 s
 
3.1 s
3.1 s
 
3 s
3 s
Lower
3.8 s
3.8 s
 
-
 
-
Lower Float Down
3.1 s
3.1 s
 
4.2 s
4.2 s
 
4.6 s
4.6 s
Rack Back
2.4 s
2.4 s
 
4.9 s
4.9 s
 
3.8 s
3.8 s
Raise
9.2 s
9.2 s
 
12.6 s
12.6 s
 
7.5 s
7.5 s
Total Hydraulic Cycle Time
17.2 s
17.2 s
 
-
 
-
Note
High Lift configuration, calculated speeds.
High Lift configuration, calculated speeds.
 
-
 
-
Total Hydraulic Cycle Time - Empty Bucket
-
 
-
 
18.9 s
18.9 s
Engine Model
Cat® 3516E
Cat® 3516E
 
Cat® C15
Cat® C15
Emissions
U.S. EPA Tier 4 Final/EU Stage V or U.S. EPA Tier 1 equivalent
U.S. EPA Tier 4 Final/EU Stage V or U.S. EPA Tier 1 equivalent
 
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Engine Power - ISO 14396:2002
1377 kW
1847 hp
 
335 kW
449 hp
Gross Power - SAE J1995:2014
1394 kW
1870 hp
 
340 kW
456 hp
Net Power - SAE J1349 - Standard Ambient
1297 kW
1739 hp
 
-
Net Power - SAE J1349 - High Ambient
1265 kW
1696 hp
 
-
Bore
170 mm
6.7 in
 
137 mm
5.4 in
Stroke
215 mm
8.5 in
 
171.5 mm
6.75 in
Displacement
78.1 l
4766 in³
 
15.2 l
927 in³
Peak Torque - 1,200 rpm - SAE J1995
11591 N·m
8549 lb/ft
 
2411 N·m
1778 ft·lbf
Torque Rise
39%
39%
 
16%
16%
Note (1)
The power ratings apply when tested under the reference conditions for the specified standard.
The power ratings apply when tested under the reference conditions for the specified standard.
 
-
Note (2)
The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner and muffler.
The net power advertised is the power available at the flywheel when the engine is equipped with fan, alternator, air cleaner and muffler.
 
-
Note (3)
The gross power advertised is with the fan at maximum speed.
The gross power advertised is with the fan at maximum speed.
 
-
Rated Speed
-
 
2000
2000
Peak Power Speed
-
 
1600
1600
Net Power - SAE J1349:2011
-
 
278 kW
373 hp
Fuel Tank - Standard
3240 l
856 gal (US)
Fuel Tank - With 24 hr Attachment
5350 l
1414 gal (US)
Cooling System
520 l
138 gal (US)
Engine Crankcase
288 l
76 gal (US)
Transmission
416 l
110 gal (US)
Differential - Final Drives - Front
833 l
220 gal (US)
Differential - Final Drives - Rear
757 l
200 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan
1022 l
270 gal (US)
Hydraulic Tank - Steering and Braking
379 l
100 gal (US)
Oil Renewal System (ORS)*
75.7 l
20 gal (US)
Note
*Not available on Tier 4 Final/Stage V machines. Not available in all regions.
*Not available on Tier 4 Final/Stage V machines. Not available in all regions.
Front
Fixed
Fixed
 
Fixed
Fixed
Rear
Trunnion
Trunnion
 
Trunnion
Trunnion
Oscillation Angle
9°
9°
 
+/-12.5°
+/-12.5°
Brakes
ISO 3450:2011
ISO 3450:2011
 
ISO 3450:2011
ISO 3450:2011
Ambient Capability Hydraulically Driven Demand Fan - Standard
43 °C
109.4 °F
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 1 equivalent)
55 °C
131 °F
Ambient Capability Hydraulically Driven Demand Fan - High (Tier 4 Final)
53 °C
127.4 °F
Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
74 dB(A)
74 dB(A)
Machine Sound Level (ISO 6395:2008)
119 dB(A)
119 dB(A)
Note
The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Operator Sound Level (ISO 6396:2008) - Tier 1/EU Stage I Equivalent
73 dB(A)
73 dB(A)
Machine Sound Level (ISO 6395:2008)
117 dB(A)
117 dB(A)
Note
The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
The declared sound levels listed above include the addition of both measurement uncertainty and uncertainty due to production variation. Typical measurement uncertainty for this type of machine is 2 dBA in accordance with "ISO 4871". The measurement was conducted at 70 percent of the maximum engine cooling fan speed. Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Steering System - Circuit
Pilot, Load Sensing
Pilot, Load Sensing
 
Pilot, load sensing
Pilot, load sensing
Steering System - Pump
Piston, Variable Displacement
Piston, Variable Displacement
 
Piston, variable displacement
Piston, variable displacement
Total Steering Angle
80 degrees
80 degrees
 
70°
70°
Steering Cycle Times - Low Idle
7.6 s
7.6 s
 
5.2 s
5.2 s
Steering Cycle Times - High Idle
4.3 s
4.3 s
 
3 s
3 s
Maximum Flow
-
 
200 l/min
52 gal (US)
Relief Valve Setting - Steering
-
 
27600 kPa
4000 psi
B-Pin Height - Maximum Lift
8800 mm
28.8 ft
Clearance at Maximum Lift
6039 mm
19.8 ft
Dump Angle at Maximum Lift
–50.0 degrees
–50.0 degrees
Front Axle Centerline to Bucket Tip
6688 mm
21.9 ft
Ground to Bumper Clearance
1355 mm
4.4 ft
Ground to Center of Axles
1830 mm
6 ft
Ground to Lower Hitch Clearance
898 mm
2.9 ft
Ground to Top of Exhaust Stacks
7067 mm
23.2 ft
Ground to Top of Hood
5682 mm
18.6 ft
Ground to Top of ROPS
7119 mm
23.4 ft
Maximum Overall Height - Bucket Raised
11966 mm
39.3 ft
Maximum Overall Length
19693 mm
64.6 ft
Note
Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips.
Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips.
Rack Angle at Maximum Lift
59.5 degrees
59.5 degrees
Rack Back Angle - Carry
47.7 degrees
47.7 degrees
Rack Back Angle - Ground Level
39.7 degrees
39.7 degrees
Reach - Maximum Lift
2946 mm
9.6 ft
Rear Axle - Centerline to Bumper
6205 mm
20.4 ft
Tread Width
4300 mm
14.1 ft
Wheel Base
6800 mm
22.3 ft
Width - Over Tires - With Bulge
5758 mm
18.8 ft
B-Pin Height - Maximum Lift
9657 mm
31.6 ft
Clearance at Maximum Lift
6896 mm
22.6 ft
Dump Angle at Maximum Lift
–50.0 degrees
–50.0 degrees
Front Axle Centerline to Bucket Tip
7383 mm
24.2 ft
Ground to Bumper Clearance
1355 mm
4.4 ft
Ground to Center of Axles
1830 mm
6 ft
Ground to Lower Hitch Clearance
898 mm
2.9 ft
Ground to Top of Exhaust Stacks
7067 mm
23.2 ft
Ground to Top of Hood
5682 mm
18.6 ft
Ground to Top of ROPS
7119 mm
23.4 ft
Maximum Overall Height - Bucket Raised
12823 mm
42.1 ft
Maximum Overall Length
20388 mm
66.9 ft
Note
Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips.
Assumes loaded 58/85-57 tires, tires at a static loaded radius of 1830 mm (6 ft), 596-5330 26 m3 (34 yd3) bucket, 431-0064 HD tips.
Rack Angle at Maximum Lift
59.4 degrees
59.4 degrees
Rack Back Angle - Carry
53.5 degrees
53.5 degrees
Rack Back Angle - Ground Level
45 degrees
45 degrees
Reach - Maximum Lift
2884 mm
9.4 ft
Rear Axle - Centerline to Bumper
6205 mm
20.4 ft
Tread Width
4300 mm
14.1 ft
Wheel Base
6800 mm
22.3 ft
Width - Over Tires - With Bulge
5760 mm
18.8 ft
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.
ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Fuel Tank
535 l
141 gal (US)
Cooling System
101 l
27 gal (US)
Engine Crankcase
34 l
9 gal (US)
Diesel Exhaust Fluid Tank
21 l
5.5 gal (US)
Transmission
75 l
20 gal (US)
Differential - Final Drives - Front
186 l
49 gal (US)
Differential - Final Drives - Rear
170 l
45 gal (US)
Note
Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 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)* - 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
Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 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)* - 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
Operator Sound Level (ISO 6396)
72 dB(A)
72 dB(A)
Machine Sound Level (ISO 6395)
110 dB(A)
110 dB(A)
Note (1)
The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Note (2)
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.
Note (3)
The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.
Ground to Top of ROPS
4100 mm
13.5 ft
Ground to Top of Exhaust Stacks
4060 mm
13.3 ft
Ground to Top of Hood
3270 mm
10.7 ft
Rear Axle - Centerline to Bumper
3132 mm
10.3 ft
Front Axle Centerline to Bucket Tip
4773 mm
15.7 ft
Wheel Base
3810 mm
12.5 ft
Maximum Overall Length
12042 mm
39.5 ft
Ground to Lower Hitch Clearance
459 mm
1.5 ft
Clearance at Maximum Lift
3732 mm
12 ft
B-Pin Height - Maximum Lift
5755 mm
18.7 ft
Maximum Overall Height - Bucket Raised
7582 mm
25 ft
Reach - Maximum Lift
2342 mm
7.7 ft
Note
Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.
Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.
Bucket Capacities
6.4-7.6 m3 (8.3-10 yd3)
6.4-7.6 m3 (8.3-10 yd3)
Recyclability
96%
96%
X
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