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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. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency. The Cat 988K Block Handler was designed to withstand the demanding and harsh environment of block handling applications. The features of the 988K Block Handler work together to provide a durable and reliable machine to meet your block handling needs.

Cat Specs
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Engine

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

Operating Specifications

Operating Weight
135602 lb

Hydraulic System - Steering

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

Hydraulic System - Lift/Tilt

Lift/Tilt System
Variable displacement piston
Cylinders, Double Acting - Lift, Bore and Stroke
235 mm × 976 mm (9.3 in × 38.4 in)
Pilot System
Variable displacement piston
Relief Valve Setting - Lift/Tilt
4757 psi
Lift/Tilt System - Circuit
Pilot operated - EH control, flow sharing

Transmission

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

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
13

Hydraulic Cycle Times

Rack Back
4.5 s
Raise
8 s
Dump
2.2 s
Lower Float Down
3.5 s

Service Refill Capacities

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

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992