Wheel Loaders

988K XE Wheel Loader

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Specification Summary

Net Power
541 HP
Operating Weight
116362 lb
Bucket Capacities
4.7-13 m3 (6.2-17 yd3)
Engine Model
Cat® C18 ACERT™
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Engine

Net Power
541 HP
Engine Model
Cat® C18 ACERT™
Bore
5.7 in
Stroke
7.2 in
Displacement
1105 in³
Rated Speed
1,700 rpm
Emissions
U.S. EPA Tier 4 Final/EU Stage IV
Gross Power - ISO 14396
580 HP
Net Power - SAE J1349
541 HP
Peak Torque @ (speed) - SAE J1995
2104 ft·lbf
Torque Rise
58%
Peak Power Speed
1,500 rpm
Peak Power Speed - 1,500 rpm - Gross - ISO 14396
580 HP
Peak Power Speed - 1,500 rpm - Gross - SAE J1995
588 HP
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
541 HP

Operating Specifications

Operating Weight
116362 lb
Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)
Rated Payload - High Lift (Face Material)
12.5 t
Rated Payload - High Lift (Loose Material)
16 t
Rated Payload - Standard (Face Material)
12.5 t
Rated Payload - Standard (Loose Material)
16 t
Operating Weight - High Lift
119618 lb
Operating Weight - Standard
116362 lb

Transmission

Transmission Type
Cat switched reluctance electric drive
Forward 1 (virtual)
4.3 mile/h
Forward 2 (virtual)
7 mile/h
Forward 3 (virtual)
13.8 mile/h
Forward 4 (virtual)
20 mile/h
Reverse 1 (virtual)
4.3 mile/h
Reverse 2 (virtual)
7 mile/h
Reverse 3 (virtual)
17.5 mile/h

Hydraulic System - Lift/Tilt

Lift Cylinder - Bore
8.7 in
Lift Cylinder - Stroke
41.3 in
Lift/Tilt System - Circuit
EH-Positive Flow Control, Flow Sharing
Lift/Tilt System - Pump
Variable displacement piston
Relief Valve Setting - Lift/Tilt
4757 psi
Tilt Cylinder - Bore
8.7 in
Tilt Cylinder - Stroke
27 in
Maximum Flow at 1,400-1,600 rpm
153 gal/min

Service Refill Capacities

Fuel Tank
147 gal (US)
Transmission
16 gal (US)
Cooling System - Jacket Water
30 gal (US)
Cooling Systems - Power Train
8 gal (US)
Diesel Exhaust Fluid Tank
8.7 gal (US)
Differential - Final Drives - Front
49 gal (US)
Differential - Final Drives - Rear
49 gal (US)
Engine Crankcase
16 gal (US)
Hydraulic System - Implement/Steering
126 gal (US)
Note
All non-road Tier 4 Final/Stage IV diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less) or up to B20 biodiesel when feedstock meeting ASTM D7467 specific

Buckets

Bucket Capacities
4.7-13 m3 (6.2-17 yd3)

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
13°

Brakes

Brakes
ISO 3450:2011

Hydraulic System - Steering

Steering Cut Off Pressure
4351 psi
Steering Cycle Times - High Idle
3.4 s
Steering Cycle Times - Low Idle
5.6 s
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86°
Maximum Flow at 1,400-1,600 rpm
71.3 gal/min
Steering
ISO 5010:2007

Hydraulic Cycle Times

Dump
2.2 s
Lower Float Down
3.5 s
Rack Back
4.5 s
Raise
8 s
Total Hydraulic Cycle Time
18.2 s

Sound Performance - Tier 4 Final/Stage IV

Operator Sound Level (ISO 6396)
72 dB(A)
Machine Sound Level (ISO 6395)
109 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.
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.
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.

Dimensions (Approximate) - Standard Lift

Ground to Top of ROPS
13.7 ft
Ground to Top of Exhaust Stacks
14.8 ft
Ground to Top of Hood
10.9 ft
Ground to Bumper Clearance
3.1 ft
Rear Axle - Centerline to Bumper
10.5 ft
Front Axle Centerline to Bucket Tip
14.7 ft
Wheel Base
14.9 ft
Maximum Overall Length
40 ft
Ground to Lower Hitch Clearance
1.9 ft
Ground to Center of Axles
3.2 ft
Clearance at Maximum Lift
11.3 ft
B-Pin Height - Maximum Lift
18 ft
Maximum Overall Height - Bucket Raised
24.5 ft
Reach - Maximum Lift
6.8 ft
Note
Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.

Dimensions (Approximate) - High Lift

Ground to Top of ROPS
13.7 ft
Ground to Top of Exhaust Stacks
14.8 ft
Ground to Top of Hood
10.9 ft
Ground to Bumper Clearance
3.1 ft
Rear Axle - Centerline to Bumper
10.5 ft
Front Axle Centerline to Bucket Tip
15.9 ft
Maximum Overall Length
41.3 ft
Ground to Lower Hitch Clearance
1.9 ft
Ground to Center of Axles
3.2 ft
Clearance at Maximum Lift
12.7 ft
B-Pin Height - Maximum Lift
19.3 ft
Maximum Overall Height - Bucket Raised
25.8 ft
Reach - Maximum Lift
7 ft
Note
Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
Wheel Base
14.9 ft

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 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes.

Operator's Cab

ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Net Power
541 HP
Engine Model
Cat® C18 ACERT™
Bore
5.7 in
Stroke
7.2 in
Displacement
1105 in³
Rated Speed
1,700 rpm
Emissions
U.S. EPA Tier 4 Final/EU Stage IV
Gross Power - ISO 14396
580 HP
Net Power - SAE J1349
541 HP
Peak Torque @ (speed) - SAE J1995
2104 ft·lbf
Torque Rise
58%
Peak Power Speed
1,500 rpm
Peak Power Speed - 1,500 rpm - Gross - ISO 14396
580 HP
Peak Power Speed - 1,500 rpm - Gross - SAE J1995
588 HP
Peak Power Speed - 1,500 rpm - Net Power - SAE J1349
541 HP
Operating Weight
116362 lb
Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)
Rated Payload - High Lift (Face Material)
12.5 t
Rated Payload - High Lift (Loose Material)
16 t
Rated Payload - Standard (Face Material)
12.5 t
Rated Payload - Standard (Loose Material)
16 t
Transmission Type
Cat switched reluctance electric drive
Forward 1 (virtual)
4.3 mile/h
Forward 2 (virtual)
7 mile/h
Forward 3 (virtual)
13.8 mile/h
Forward 4 (virtual)
20 mile/h
Reverse 1 (virtual)
4.3 mile/h
Reverse 2 (virtual)
7 mile/h
Reverse 3 (virtual)
17.5 mile/h
Lift Cylinder - Bore
8.7 in
Lift Cylinder - Stroke
41.3 in
Lift/Tilt System - Circuit
EH-Positive Flow Control, Flow Sharing
Lift/Tilt System - Pump
Variable displacement piston
Relief Valve Setting - Lift/Tilt
4757 psi
Tilt Cylinder - Bore
8.7 in
Tilt Cylinder - Stroke
27 in
Maximum Flow at 1,400-1,600 rpm
153 gal/min
Fuel Tank
147 gal (US)
Transmission
16 gal (US)
Cooling System - Jacket Water
30 gal (US)
Cooling Systems - Power Train
8 gal (US)
Diesel Exhaust Fluid Tank
8.7 gal (US)
Differential - Final Drives - Front
49 gal (US)
Differential - Final Drives - Rear
49 gal (US)
Engine Crankcase
16 gal (US)
Hydraulic System - Implement/Steering
126 gal (US)
Bucket Capacities
4.7-13 m3 (6.2-17 yd3)
Front
Fixed
Rear
Trunnion
Oscillation Angle
13°
Brakes
ISO 3450:2011
Steering Cut Off Pressure
4351 psi
Steering Cycle Times - High Idle
3.4 s
Steering Cycle Times - Low Idle
5.6 s
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86°
Maximum Flow at 1,400-1,600 rpm
71.3 gal/min
Dump
2.2 s
Lower Float Down
3.5 s
Rack Back
4.5 s
Raise
8 s
Total Hydraulic Cycle Time
18.2 s
Operator Sound Level (ISO 6396)
72 dB(A)
Machine Sound Level (ISO 6395)
109 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.
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.
Steering
ISO 5010:2007
Ground to Top of ROPS
13.7 ft
Ground to Top of Exhaust Stacks
14.8 ft
Ground to Top of Hood
10.9 ft
Ground to Bumper Clearance
3.1 ft
Rear Axle - Centerline to Bumper
10.5 ft
Front Axle Centerline to Bucket Tip
14.7 ft
Wheel Base
14.9 ft
Maximum Overall Length
40 ft
Ground to Lower Hitch Clearance
1.9 ft
Ground to Center of Axles
3.2 ft
Clearance at Maximum Lift
11.3 ft
B-Pin Height - Maximum Lift
18 ft
Maximum Overall Height - Bucket Raised
24.5 ft
Reach - Maximum Lift
6.8 ft
Note
Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
Ground to Top of ROPS
13.7 ft
Ground to Top of Exhaust Stacks
14.8 ft
Ground to Top of Hood
10.9 ft
Ground to Bumper Clearance
3.1 ft
Rear Axle - Centerline to Bumper
10.5 ft
Front Axle Centerline to Bucket Tip
15.9 ft
Maximum Overall Length
41.3 ft
Ground to Lower Hitch Clearance
1.9 ft
Ground to Center of Axles
3.2 ft
Clearance at Maximum Lift
12.7 ft
B-Pin Height - Maximum Lift
19.3 ft
Maximum Overall Height - Bucket Raised
25.8 ft
Reach - Maximum Lift
7 ft
Note
Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
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.
Wheel Base
14.9 ft
Operating Weight - High Lift
119618 lb
Operating Weight - Standard
116362 lb
ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Note
All non-road Tier 4 Final/Stage IV diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less) or up to B20 biodiesel when feedstock meeting ASTM D7467 specific
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.