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988K Block Handler Arrangement

988K Block Handler Arrangement

At a Glance

Net Power
541 HP
Operating Weight
135602 lb
Engine Model
Cat® C18 ACERT™
Net Power - SAE J1349
541 HP
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Overview

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

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

Operating Specifications

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Operating Weight 135602lb

Transmission

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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 - Forward 1 Lock-up disabled
Direct Drive - Forward 2 6.7mile/h
Direct Drive - Forward 3 11.9mile/h
Direct Drive - Forward 4 21mile/h
Direct Drive - Reverse 1 4.3mile/h
Direct Drive - Reverse 2 7.7mile/h
Direct Drive - Reverse 3 13.7mile/h

Axles

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Front Fixed
Rear Trunnion
Oscillation Angle 13°

Sound Performance - Standard

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

Sound Performance - Suppression

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

Hydraulic System - Lift/Tilt

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Maximum Flow at 1,700 rpm 13.7gal/min
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 153gal/min
Pilot System Variable displacement piston
Relief Valve Setting 551psi
Relief Valve Setting - Lift/Tilt 4757psi

Hydraulic Cycle Times

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

Hydraulic System - Steering

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

Service Refill Capacities

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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

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Brakes SAE J1473 OCT90, ISO 3450:1992