988K Block Handler Arrangement

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988K Block Handler Arrangement

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Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. ...
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Engine

Net Power
541HP
Engine Model
Cat® C18 ACERT™
Net Power - SAE J1349
541HP
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Torque Rise
58%
Rated Speed
1700r/min
Peak Torque - 1,200 rpm
2104lb/ft
Gross - ISO 14396
580HP
Emissions
U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
Peak Power Speed
1500r/min
Peak Power Speed - Gross - ISO 14396
580HP
Peak Power Speed - Gross - SAE J1995
588HP
Peak Power Speed - Net Power - SAE J1349
541HP

Operating Specifications

Operating Weight
135602lb

Transmission

Transmission Type
Cat planetary power shift
Forward - 1
3.6mile/h
Forward - 2
4.5mile/h
Forward - 3
11.4mile/h
Forward - 4
19mile/h
Reverse - 1
4.1mile/h
Reverse - 2
7.3mile/h
Reverse - 3
13mile/h
Direct Drive - Reverse 3
13.7mile/h
Direct Drive - Reverse 2
7.7mile/h
Direct Drive - Reverse 1
4.3mile/h
Direct Drive - Forward 4
21mile/h
Direct Drive - Forward 3
11.9mile/h
Direct Drive - Forward 2
6.7mile/h
Direct Drive - Forward 1
Lock-up disabled

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
13°

Hydraulic System - Steering

Steering Cycle Times - Low Idle
5.6s
Steering Cycle Times - High Idle
3.4s
Relief Valve Setting - Steering
4641psi
Maximum Flow
74gal/min
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86°

Hydraulic Cycle Times

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

Hydraulic System - Lift/Tilt

Relief Valve Setting - Lift/Tilt
4757psi
Relief Valve Setting
551psi
Pilot System
Variable displacement piston
Maximum Flow at 1,400-1,860 rpm
153gal/min
Lift/Tilt System - Circuit
Pilot operated - EH control, flow sharing
Lift/Tilt System
Variable displacement piston
Cylinders, Double Acting - Tilt, Bore and Stroke
291 mm × 671 mm (11.5 in × 26.4 in)
Cylinders, Double Acting - Lift, Bore and Stroke
235 mm × 976 mm (9.3 in × 38.4 in)
Maximum Flow at 1,700 rpm
13.7gal/min

Sound Performance - Standard

Exterior Sound Level
111dB(A)
Interior Sound Level
71dB(A)

Sound Performance - Suppression

Exterior Sound Level
109dB(A)
Interior Sound Level
70dB(A)

Service Refill Capacities

Cooling System
31.7gal (US)
Crankcase
15.9gal (US)
Diesel Exhaust Fluid Tank
8.7gal (US)
Differential - Final Drives - Front
49.1gal (US)
Differential - Final Drives - Rear
49.1gal (US)
Fuel Tank
188.1gal (US)
Hydraulic System - Tank Only
63.4gal (US)
Hydraulic System Factory Fill
125.5gal (US)
Transmission
31.7gal (US)

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992

Standard Equipment:

Optional Equipment:

    Power Train
    • -50° C (-58° F) antifreeze
    • Engine oil change system, high speed, Wiggins
    • Engine block heater 120V or 240V
    • High ambient cooling - software
    • Payload Control System (PCS)
    Operator Environment
    • Cab precleaner
    • AM/FM/CD/MP3 radio
    • Satellite Sirius radio with bluetooth
    • LED warning strobe
    • CB radio ready
    • Window pull down visor
    Miscellaneous Attachments
    • Front and rear roading fenders
    • Fast fill fuel system (Shaw-Aero)