988 Wheel Loader

Cat® Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a low cost per ton. Introduced in 1963, the 988 has been an industry leader for 60 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

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Engine

Engine Power - ISO 14396:2002

580hp

Engine Model

Cat® C18

Rated Speed

1700/rpm

Peak Power Speed

1500/rpm

Gross Power - SAE J1995:2014

588hp

Net Power - SAE J1349:2011

538hp

Bore

5.7in

Stroke

7.2in

Displacement

1105in³

Peak Torque - 1,200 rpm

2104lbf·ft

Torque Rise

58%

Note (1)

Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emissio

Note (2)

Net power advertised is the power available at the flywheel when the engine is equipped with fan at minimum speed, air intake system, exhaust system, and alternator.

Operating Specifications

Operating Weight

112574lb

Bucket Capacity Range

4.7-13 m3 (6.2-17 yd3)

Rated Payload - Quarry Face

12.5t

Rated Payload - Loose Material

16t

Cat Truck Match - Standard

770 - 772

Cat Truck Match - High Lift

773 - 775

Transmission

Transmission Type

Cat planetary powershift

Forward - 1

4mile/h

Forward - 2

7.2mile/h

Forward - 3

12.7mile/h

Forward - 4

21.6mile/h

Reverse - 1

4.7mile/h

Reverse - 2

8.3mile/h

Reverse - 3

14.4mile/h

Direct Drive - Forward 1

Lock-up disabled

Direct Drive - Forward 2

7.8mile/h

Direct Drive - Forward 3

13.9mile/h

Direct Drive - Forward 4

24.4mile/h

Direct Drive - Reverse 1

5mile/h

Direct Drive - Reverse 2

8.9mile/h

Direct Drive - Reverse 3

15.8mile/h

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit

EH- Positive Flow Control, Flow Sharing

Lift/Tilt System - Pump

Variable displacement piston

Maximum Flow at 1,400-1,860 rpm

153gal/min

Relief Valve Setting - Lift/Tilt

4757psi

Cylinders, Double Acting - Lift, Bore and Stroke

210 mm × 1050 mm (8.7 in × 41.3 in)

Cylinders, Double Acting - Tilt, Bore and Stroke

266 mm × 685 mm (8.7 in × 27 in)

Pilot System

Variable displacement piston

Relief Valve Setting - Main

551psi

Hydraulic Cycle Time (1,400-1,860 rpm)

Rack Back

4.5s

Raise

Dump

2.2s

Lower Float Down

3.5s

Total Hydraulic Cycle Time - Empty Bucket

18.2s

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing

Steering System - Pump

Piston, variable displacement

Maximum Flow at 1,400-1,600 rpm

71.3gal/min

Relief Valve Setting - Steering

4351psi

Total Steering Angle

86 °

Steering Cycle Times - High Idle

3.4s

Steering Cycle Times - Low Idle

5.6s

Air Conditioning System

Air Conditioning

• The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. • If equipped with R134a (Global Warming Potential = 1430), the system

Axles

Front

Fixed

Rear

Trunnion

Oscillation Angle

13 °

Brakes

Brakes

ISO 3450:2011

Operator's Cab

ROPS/FOPS

ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards

Sound Performance - Tier 4 Final / Stage V

Operator Sound Pressure Level (ISO 6396:2008)

73dB(A)

Machine Sound Power Level (ISO 6395:2008)

111dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*

72dB(A)

Machine Sound Power Level (ISO 6395:2008)**

109dB(A)

Note (1)

* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”

Note (2)

** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.

Note (3)

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)

The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Sound Performance - Tier 3 / Stage IIIA

Operator Sound Pressure Level (ISO 6396:2008)

73dB(A)

Machine Sound Power Level (ISO 6395:2008)

112dB(A)

Operator Sound Pressure Level (ISO 6396:2008)*

72dB(A)

Machine Sound Power Level (ISO 6395:2008)**

110dB(A)

Note (1)

* For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”

Note (2)

** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.

Note (3)

The machine sound power level was measured according to ISO 6395:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (4)

The operator sound pressure level was measured according to ISO 6396:2008. The measurement was conducted at 70% of the maximum engine cooling fan speed.

Note (5)

Hearing protection may be needed when the machine is operated with a cab that is not properly maintained or when the doors or windows are open for extended periods or in a noisy environment.

Service Refill Capacities

Fuel Tank

188gal (US)

Cooling System

31.7gal (US)

Coolant (Validated by Test Cell Fill Quantities)

33gal (US)

Crankcase

15.9gal (US)

Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)

8.7gal (US)

Transmission

24.3gal (US)

Transmission - Validated by Test Cell Fill Quantities

29gal (US)

Differential - Final Drives - Front

49.1gal (US)

Differential - Final Drives - Rear

49.1gal (US)

Hydraulic System Factory Fill

125.5gal (US)

Hydraulic System - Tank Only

63.4gal (US)

Note

• All non-road Tier 4 Final/Stage V diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: – 20% biodiesel FAME (fatty acid methyl ester

Dimensions (Approximate) - Standard Lift Linkage

Ground to Top of ROPS

13.8ft

Ground to Top of Exhaust Stacks

14.8ft

Ground to Top of Hood

10.9ft

Rear Axle - Centerline to Bumper

10.5ft

Front Axle Centerline to Bucket Tip

14ft

Wheel Base

14.9ft

Maximum Overall Length

39.3ft

Ground to Lower Hitch Clearance

1.9ft

Clearance at Maximum Lift

11.9ft

B-Pin Height - Maximum Lift

18ft

Maximum Overall Height - Bucket Raised

24.5ft

Reach - Maximum Lift

6.5ft

Dimensions (Approximate) - High Lift Linkage

Ground to Top of ROPS

13.8ft

Ground to Top of Exhaust Stacks

14.8ft

Ground to Top of Hood

10.9ft

Rear Axle - Centerline to Bumper

10.5ft

Front Axle Centerline to Bucket Tip

15.3ft

Wheel Base

14.9ft

Maximum Overall Length

40.7ft

Ground to Lower Hitch Clearance

1.9ft

Clearance at Maximum Lift

13.3ft

B-Pin Height - Maximum Lift

19.3ft

Maximum Overall Height - Bucket Raised

25.8ft

Reach - Maximum Lift

6.8ft

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 (LED, work lights, access and service platform lighting)
- Starting and charging system, 24V
- Auxiliary jump 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
- CB radio ready
- Air conditioner
- Cat Vision, rear vision camera system
- Cab, sound suppressed and pressurized, integrated rollover protective structure/falling objects 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 – Powertrain oil temperature
- Light, cab, dome
- Lunchbox, beverage holders
- Radio, AM/FM/CD/MP3 Bluetooth^®
- Mirrors, rearview (externally mounted)
- Rimpull Control System (RCS)
- Seat, deluxe
- Seat belt minder
- Seat belt, retractable, 76 mm (3 in) wide
- Steering and Transmission Integrated Control (STIC^™) System
- UV glass
- Vital Information Management System (VIMS^™) with Graphical Information Display: External Data Port
- Wet-arm wipers/washers (front and rear): – Intermittent front and rear wipers
- Lights, directional
Powertrain
- Brakes, oil-cooled, multi-disc, service/secondary
- Case drain screens
- Electro hydraulic parking brake
- Engine, C18 Mechanically Actuated Electronic Unit Injection (MEUI^™) diesel, turbocharged/aftercooled
- Ground level engine shutdown switch
- Turbine precleaner, engine air intake
- Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)
- Radiator, Aluminum Modular Radiator (AMR)
- 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
- Manual switch and automatic fuel priming
- Cat Production Measurement ready
Additional Equipment
- 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, 712 L (188 gal)
- Hitch, drawbar with pin
- Hoses, Cat XT^™
- Hydraulic, steering and brake filtration/screening system
- Cat Clean Emission Module (CEM)
- Oil sampling valves
- 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.
Powertrain
- –50° C (–58° F) antifreeze
- Crankcase guard
- Engine oil change system, high speed, Wiggins
- High ambient cooling – software
- Cat Production Measurement
Operator Environment
- Cab precleaner
- LED warning strobe
- Window pull down visor
- Handrail mounted mirrors
Additional Equipment
- Additional counterweight
- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)
- Cold weather package: additional starter and 2 batteries, engine block heater 120V or 240V, heated fuel lines
Other Optional Configurations
- Aggregate Handler
- Block Handler
- Millyard
- Steel Mill

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988 Wheel Loader

Engine

Operating Specifications

Transmission

Hydraulic System - Lift/Tilt

Hydraulic Cycle Time (1,400-1,860 rpm)

Hydraulic System - Steering

Air Conditioning System

Axles

Brakes

Operator's Cab

Sound Performance - Tier 4 Final / Stage V

Sound Performance - Tier 3 / Stage IIIA

Service Refill Capacities

Dimensions (Approximate) - Standard Lift Linkage

Dimensions (Approximate) - High Lift Linkage

Standard Equipment:

Optional Equipment:

995 Wheel Loader

990 Wheel Loader

988 GC Wheel Loader

Contact Us

Get A Quote