988 XE Wheel Loader

Engine

Engine Model

Cat® C18

Rated Speed

1,700 rpm

Peak Power Speed

1,500 rpm

Net Power - SAE J1349:2011

538 hp

Emissions

U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014

Bore

5.7 in

Stroke

7.2 in

Displacement

1105 in³

Peak Torque - 1,200 rpm - SAE J1995

2230 ft·lbf

Peak Torque - 1,200 rpm

2230 lbf·ft

Torque Rise

58%

Note (1)

Two engine emissions options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

Note (2)

Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Operating Specifications

Operating Weight

116362 lb

Bucket Capacity Range

4.7-13 m3 (6.2-17 yd3)

Rated Payload - Quarry Face

12.5 t

Operating Weight - Standard

116362 lb

Rated Payload - Loose Material

16 t

Operating Weight - High Lift

119618 lb

Rated Payload - Standard (Quarry Face)

12.5 ton (US)

Rated Payload - Loose Material (Standard)

16 ton (US)

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/Tilt System - Circuit

EH-Positive Flow Control, Flow Sharing

Lift/Tilt System - Pump

Variable displacement piston

Maximum Flow at 1,400-1,600 rpm

153 gal/min

Relief Valve Setting - Lift/Tilt

4757 psi

Lift Cylinder - Bore

8.7 in

Lift Cylinder - Stroke

41.3 in

Tilt Cylinder - Bore

8.7 in

Tilt Cylinder - Stroke

27 in

Hydraulic Cycle Times

Rack Back

4.5 s

Raise

8 s

Dump

2.2 s

Lower Float Down

3.5 s

Total Hydraulic Cycle Time

18.2 s

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing

Steering System - Pump

Piston, variable displacement

Maximum Flow at 1,400-1,600 rpm

71.3 gal/min

Steering Cut Off Pressure

4351 psi

Total Steering Angle

86°

Steering Cycle Times - High Idle

3.4 s

Steering Cycle Times - Low Idle

5.6 s

Air Conditioning System

Air Conditioning

The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system con

Axles

Front

Fixed

Rear

Trunnion

Oscillation Angle

13°

Brakes

Brakes

ISO 3450:2011

Operator's Cab

ROPS/FOPS

ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Sound Performance - Tier 3 / Stage IIIA

Note (5)

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.

Service Refill Capacities

Fuel Tank

147 gal (US)

Cooling System - Jacket Water

30 gal (US)

Cooling Systems - Power Train

8 gal (US)

Engine Crankcase

16 gal (US)

Diesel Exhaust Fluid Tank

8.7 gal (US)

Transmission

16 gal (US)

Differential - Final Drives - Front

49 gal (US)

Differential - Final Drives - Rear

49 gal (US)

Hydraulic System - Implement/Steering

126 gal (US)

Note

All non-road Tier 4 Final/Stage V 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)*

Dimensions (Approximate) - Standard Lift

Ground to Top of ROPS

13.8 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 ft

Wheel Base

14.9 ft

Maximum Overall Length

39.3 ft

Ground to Lower Hitch Clearance

1.9 ft

Ground to Center of Axles

3.2 ft

Clearance at Maximum Lift

11.9 ft

B-Pin Height - Maximum Lift

18 ft

Maximum Overall Height - Bucket Raised

24.5 ft

Reach - Maximum Lift

6.5 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

13.8 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

15.3 ft

Wheel Base

14.9 ft

Maximum Overall Length

40.7 ft

Ground to Lower Hitch Clearance

1.9 ft

Ground to Center of Axles

3.2 ft

Clearance at Maximum Lift

13.3 ft

B-Pin Height - Maximum Lift

19.3 ft

Maximum Overall Height - Bucket Raised

25.8 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 - Millyard Linkage

Ground to Top of ROPS

13.8 ft

Ground to Top of Exhaust Stacks

13.8 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 Fork Tip

16.5 ft

Wheel Base

14.9 ft

Maximum Overall Length

41.9 ft

Ground to Lower Hitch Clearance

1.9 ft

Ground to Center of Front Axle

3.2 ft

Fork Height with Level Arms

8.1 ft

Fork Top Clamp Opening

13.1 ft

Fork Height at Maximum Lift

17.2 ft

Hinge Pin Height at Maximum Lift

16.1 ft

Dump Angle at Maximum Lift

-39.4 °

Buckets

Bucket Capacities

4.7-13 m3 (6.2-17 yd3)