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. 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.

Engine

Net Power
541 HP
Engine Model
C18 Cat®
Net Power - SAE J1349
541 HP
Bore
5.7 in
Stroke
7.2 in
Displacement
1105 in³
Torque Rise
58 %
Emissions
Einhaltung von EPA Tier 4 Final (USA)/Stufe V (EU), Tier-2-konform
Gross - ISO 14396
580 HP
Peak Power Speed
1500 r/min
Peak Power Speed - Gross - ISO 14396
580 HP
Peak Power Speed - Gross - SAE J1995
588 HP
Peak Power Speed - Net Power - SAE J1349
541 HP
Peak Torque - 1,200 rpm
2104 lb/ft
Rated Speed
1700 r/min

Operating Specifications

Operating Weight
135602 lb

Transmission

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

Axles

Front
Fixed
Rear
Trunnion
Oscillation Angle
13 °

Hydraulic System - Lift/Tilt

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

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 - Empty Bucket
18.2 s

Hydraulic System - Steering

Maximum Flow
74 gal/min
Relief Valve Setting - Steering
4641 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 °

Service Refill Capacities

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

Sound Performance - Standard

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

Sound Performance - Suppression

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

Brakes

Brakes
SAE J1473 OKT90, ISO 3450:1992