US
Metric

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

Engine Model
Cat® C18 ACERT™
Net Power
541.00 hp
403.00 kW
Bore
5.70 in
145.00 mm
Displacement
1105.00 in3
18.10 L
Emissions
U.S. EPA Tier 4 Final/EU Stage IV, Tier 2 Equivalent
Gross (ISO 14396)
580.00 hp
432.00 kW
Net Power - SAE J1349
541.00 hp
403.00 kW
Peak Power Speed
1500.00 r/min
1500.00 r/min
Peak Power Speed - Gross - ISO 14396
580.00 HP
432.00 kW
Peak Power Speed - Gross - SAE J1995
588.00 HP
439.00 kW
Peak Power Speed - Net Power - SAE J1349
541.00 HP
403.00 kW
Peak Torque @ 1,200 rpm
2104.00 lb ft
2852.00 N·m
Rated Speed
1700.00 RPM
1700.00 RPM
Stroke
7.20 in
183.00 mm
Torque Rise
58.00 %
58.00 %

Operating Specifications

Operating Weight
135602.00 lb
61508.00 kg

Hydraulic System - Steering

Maximum Flow
74.00 gal/min
280.00 L/min
Relief Valve Setting - Steering
4641.00 psi
32000.00 kPa
Steering Cycle Time (high idle)
3.40 Seconds
3.40 Seconds
Steering Cycle Time (low idle)
5.60 Seconds
5.60 Seconds
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86.00 Degrees
86.00 Degrees

Sound Performance - Standard

Exterior Sound Level
111.00 dB(A)
111.00 dB(A)
Interior Sound Level
71.00 dB(A)
71.00 dB(A)

Axles

Front
Fixed
Oscillation Angle
13.00 °
13.00 °
Rear
Trunnion

Hydraulic Cycle Time

Dump
2.20 Seconds
2.20 Seconds
Lower Float Down
3.50 Seconds
3.50 Seconds
Rack back
4.50 Seconds
4.50 Seconds
Raise
8.00 Seconds
8.00 Seconds
Total Hydraulic Cycle Time (empty bucket)
18.20 Seconds
18.20 Seconds

Transmission

Direct Drive Forward 1
Lock-up disabled
Direct Drive Forward 2
6.70 mph
10.80 km/h
Direct Drive Forward 3
11.90 mph
19.20 km/h
Direct Drive Forward 4
21.00 mph
34.00 km/h
Direct Drive Reverse 1
4.30 mph
6.90 km/h
Direct Drive Reverse 2
7.70 mph
12.40 km/h
Direct Drive Reverse 3
13.70 mph
22.00 km/h
Forward 1
3.60 mph
5.80 km/h
Forward 2
4.50 mph
10.30 km/h
Forward 3
11.40 mph
18.30 km/h
Forward 4
19.00 mph
30.50 km/h
Reverse 1
4.10 mph
6.60 km/h
Reverse 2
7.30 mph
11.80 km/h
Reverse 3
13.00 mph
20.80 km/h
Transmission Type
Cat planetary power shift

Sound Performance - Suppression

Exterior Sound Level
109.00 dB(A)
109.00 dB(A)
Interior Sound Level
70.00 dB(A)
70.00 dB(A)

Brakes

Brakes
SAE J1473 OCT90, ISO 3450:1992

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 1,700 rpm
13.70 gal/min
52.00 l/min
Maximum Flow at 1,400-1,860 rpm
153.00 gal/min
580.00 L/min
Pilot System
Variable displacement piston
Relief Valve Setting
551.00 psi
3800.00 kPa
Relief Valve Setting - Lift/Tilt
4757.00 psi
32800.00 kPa

Service Refill Capacities

Cooling System
31.70 gal
120.00 L
Crankcase
15.90 gal
60.00 L
Diesel Exhaust Fluid Tank
8.70 gal
33.00 L
Differentials and Final Drives - Front
49.10 gal
186.00 L
Differentials and Final Drives - Rear
49.10 gal
186.00 L
Fuel Tank
188.10 gal
712.00 L
Hydraulic System (factory fill)
125.50 gal
475.00 L
Hydraulic System (tank only)
63.40 gal
240.00 L
Transmission
31.70 gal
120.00 L

Engine

Net Power
541.00 HP
403.00 kW
Engine Model
C18 Cat®
Net Power - SAE J1349
541.00 HP
403.00 kW
Bore
5.70 in
145.00 mm
Stroke
7.20 in
183.00 mm
Displacement
1105.00 in³
18.10 l
Torque Rise
58.00 %
58.00 %
Emissions
Einhaltung von EPA Tier 4 Final (USA)/Stufe IV (EU), Tier-2-konform
Gross - ISO 14396
580.00 HP
432.00 kW
Peak Torque - 1,200 rpm
2104.00 lb/ft
2852.00 N·m
Rated Speed
1700.00 r/min
1700.00 r/min

Operating Specifications

Operating Weight
135602.00 lb
61508.00 kg

Transmission

Transmission Type
Cat-Planetenlastschaltgetriebe
Forward - 1
3.60 mile/h
5.80 km/h
Forward - 2
4.50 mile/h
10.30 km/h
Forward - 3
11.40 mile/h
18.30 km/h
Forward - 4
19.00 mile/h
30.50 km/h
Reverse - 1
4.10 mile/h
6.60 km/h
Reverse - 2
7.30 mile/h
11.80 km/h
Reverse - 3
13.00 mile/h
20.80 km/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
6.70 mile/h
10.80 km/h
Direct Drive - Forward 3
11.90 mile/h
19.20 km/h
Direct Drive - Forward 4
21.00 mile/h
34.00 km/h
Direct Drive - Reverse 1
4.30 mile/h
6.90 km/h
Direct Drive - Reverse 2
7.70 mile/h
12.40 km/h
Direct Drive - Reverse 3
13.70 mile/h
22.00 km/h

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
153.00 gal/min
580.00 l/min
Pilot System
Variable displacement piston
Relief Valve Setting - Main
551.00 psi
3800.00 kPa
Relief Valve Setting - Lift/Tilt
4757.00 psi
32800.00 kPa

Hydraulic Cycle Times

Dump
2.20 s
2.20 s
Lower Float Down
3.50 s
3.50 s
Rack Back
4.50 s
4.50 s
Raise
8.00 s
8.00 s
Total Hydraulic Cycle Time - Empty Bucket
18.20 s
18.20 s

Hydraulic System - Steering

Maximum Flow
74.00 gal/min
280.00 l/min
Relief Valve Setting - Steering
4641.00 psi
32000.00 kPa
Steering Cycle Times - High Idle
3.40 s
3.40 s
Steering Cycle Times - Low Idle
5.60 s
5.60 s
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Total Steering Angle
86.00 °
86.00 °

Service Refill Capacities

Cooling System
31.70 gal (US)
120.00 l
Crankcase
15.90 gal (US)
60.00 l
Diesel Exhaust Fluid Tank
8.70 gal (US)
33.00 l
Differential - Final Drives - Front
49.10 gal (US)
186.00 l
Differential - Final Drives - Rear
49.10 gal (US)
186.00 l
Fuel Tank
188.10 gal (US)
712.00 l
Hydraulic System - Tank Only
63.40 gal (US)
240.00 l
Hydraulic System Factory Fill
125.50 gal (US)
475.00 l
Transmission
31.70 gal (US)
120.00 l

Axles

Front
Fixed
Rear
Trunnion

Brakes

Brakes
SAE J1473 OKT90, ISO 3450:1992
Features

POWERFUL EFFICIENCY

PURPOSE BUILT SPECIALTY MODELS

PROVEN RELIABILITY

PERFORMANCE AND PRODUCTIVITY

OPERATOR COMFORT AND CONTROL

PRODUCTIVITY WITH TECHNOLOGY

SAVE ON SERVICE AND MAINTENANCE

TOP-TIER SERVICE AND SUPPORT

SAFETY FIRST

OPTIONS TO MEET YOUR NEEDS

Sales Features

Efficiency

Delivering fuel efficiency you demand through integrated machine systems.

Designed for Block Handling

Unique features for block handling applications.

Power Train

Move material more efficiently with improved power and control.

Hydraulics

Productivity enabling you to move more and make more.

Operator Station

Best-in-class operator comfort and ergonomics.

Technology Solutions

Greater productivity through Integrated Electronic Systems.

Serviceability

Enabling high uptime by reducing your service time.

Customer Support

Your Cat dealers know how to keep your machines productive.

Safety

Making your safety our priority.

Versatility

Work tool options to meet your needs.
Standard Equipment
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • ELECTRICAL
    • Alarm, back-up
    • Alternator, single 150 amp
    • Batteries, dry
    • Converter, 10/15 amp, 24V to 12V
    • Lighting system (halogen, work lights, access and service platform lighting)
    • Starting and charging system, 24V
    • Starter emergency start receptacle
    • Starter lockout in bumper
    • Transmission lockout in bumper
  • OPERATOR ENVIRONMENT
    • Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
    • Air conditioner
    • Cat Detect Vision, rear vision camera system
    • Cab, sound suppressed and pressurized, integrated rollover protective structure (ROPS/FOPS) radio ready for entertainment, includes antenna, speakers and converter (12-volt 5-amp) and power port
    • Controls, lift and tilt function
    • Heater, defroster
    • Horn, electric
    • Instrumentation, gauges: - Coolant temperature - Engine hour meter - Hydraulic oil temperature - Power train oil temperature
    • Light, cab, dome
    • Lunchbox, beverage holders
    • Mirrors, rearview (externally mounted)
    • Rimpull Control System
    • Seat, Cat Comfort (cloth), air suspension, six-way adjustable
    • Seat belt, retractable, 76 mm (3 in) wide
    • STIC Control System
    • UV glass
    • Transmission gear indicator
    • Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
    • Wet-Arm wipers/washers (front and rear): - Intermittent front and rear wipers
    • Lights, directional
  • POWER TRAIN
    • Brakes, oil-cooled, multi-disc, service/secondary
    • Case drain screens
    • Crankcase guard
    • Electro hydraulic parking brake
    • Engine, C18 MEUI diesel, turbocharged/aftercooled
    • Ground level engine shutoff
    • Turbine precleaner, engine air intake
    • Radiator, Next Generation Modular (NGMR)
    • Starting aid, ether, automatic
    • Throttle lock, electronic
    • Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
    • Transmission, planetary powershift, 4F/3R electronic control
  • OTHER
    • Automatic bucket lift kickout/positioner
    • Base machine price includes a rim allowance
    • Hydraulically driven demand fan
    • Couplings, Cat O-ring face seals
    • Doors, service access (locking)
    • Ecology drains for engine, radiator, hydraulic tank
    • Fuel tank, 731 L (188 gal)
    • Hitch, drawbar with pin
    • Hoses, Cat XT™
    • Hydraulic, steering and brake filtration/screening system
    • Cat Clean Emission Module
    • Oil sampling valves
    • Premixed 50% concentration of extended life coolant with freeze protection to -34° C (-29° F)
    • Rear access to cab and service platform
    • Steering, load sensing
    • Toe kicks
    • Vandalism protection caplocks
Optional Equipment
  • NOTE
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • 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)