406

988 GC Wheel Loader

The Cat® 988 GC Wheel Loader helps you move more material at a lower cost per hour for a faster return on your investment. This machine offers significant fuel savings and up to 10% lower owning and operating cost than the 988K.

  • Specifications

  • Standard/Optional Equipment

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Engine

Engine Model

Cat® C15

Rated Speed

2000

Peak Power Speed

1600

Engine Power - ISO 14396: 2002

449hp

Gross Power - SAE J1995:2014

456hp

Net Power - SAE J1349:2011

373hp

Emissions

U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014

Bore

5.4in

Stroke

6.75in

Displacement

927in³

Peak Torque - 1,200 rpm - SAE J1995

1778ft·lbf

Torque Rise

16%

Operating Specifications

Operating Weight

116858lb

Rated Payload - Quarry Face

12.5ton (US)

Bucket Capacity Range

6.4-7.6 m3 (8.3-10 yd3)

Cat Truck Match - High Lift

772/773/775

Transmission

Transmission Type

Cat planetary power shift

Forward - 1

5mile/h

Forward - 2

8mile/h

Reverse - 1

5mile/h

Reverse - 2

8mile/h

Direct Drive - Forward 1

Lock-up disabled

Direct Drive - Forward 2

8mile/h

Direct Drive - Forward 3

14mile/h

Direct Drive - Forward 4

24mile/h

Direct Drive - Reverse 2

9mile/h

Direct Drive - Reverse 3

16mile/h

Direct Drive - Reverse 4

25.4mile/h

Direct Drive - Reverse 1

Lock-up disabled

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit

EH - Load Sense

Lift/Tilt System

2X x 145 cc Variable displacement piston

Maximum Flow at 2,165 rpm

159gal/min

Relief Valve Setting - Lift/Tilt

4598psi

Cylinders, Double Acting - Lift, Bore and Stroke

190 mm x 1216 mm (7.5 in x 48 in)

Cylinders, Double Acting - Tilt, Bore and Stroke

170 mm x 722 mm (6.7 in x 28.4 in)

Pilot System

Variable displacement piston

Tilt Cylinder - Stroke

27in

Hydraulic Cycle Times

Rack Back

3.8s

Raise

7.5s

Dump

3s

Lower Float Down

4.6s

Total Hydraulic Cycle Time - Empty Bucket

18.9s

Hydraulic System - Steering

Steering System - Circuit

Pilot, load sensing

Steering System - Pump

Piston, variable displacement

Maximum Flow

52gal (US)

Relief Valve Setting - Steering

4000psi

Total Steering Angle

70°

Steering Cycle Times - High Idle

3s

Steering Cycle Times - Low Idle

5.2s

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 contains 1.8 kg (3.9 lb) of refrigerant, which has a CO2 equivalent of 2.574 metric tonnes (2.837 tons).

Axles

Front

Fixed

Rear

Trunnion

Oscillation Angle

+/-12.5°

Brakes

Brakes

ISO 3450:2011

Operator's Cab

ROPS/FOPS

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

Service Refill Capacities

Fuel Tank

141gal (US)

Cooling System

27gal (US)

Engine Crankcase

9gal (US)

Diesel Exhaust Fluid Tank

5.5gal (US)

Transmission

20gal (US)

Differential - Final Drives - Front

49gal (US)

Differential - Final Drives - Rear

45gal (US)

Note

Cat U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 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)* - 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel. **For use of blends higher than 20% biodiesel, consult your Cat dealer

Sound Performance - Tier 4 Final/EU Stage V - Standard

Operator Sound Level (ISO 6396)

72dB(A)

Machine Sound Level (ISO 6395)

110dB(A)

Note (1)

The operator sound pressure level was measured according to the test procedures and conditions specified in ISO 6396:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Note (2)

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.

Note (3)

The machine sound power level was measured according to the test procedures and conditions specified in ISO 6395:2008. The measurement was conducted at 70 percent of the maximum engine cooling fan speed.

Dimensions (Approximate) - High Lift

Ground to Top of ROPS

13.5ft

Ground to Top of Exhaust Stacks

13.3ft

Ground to Top of Hood

10.7ft

Rear Axle - Centerline to Bumper

10.3ft

Front Axle Centerline to Bucket Tip

15.7ft

Wheel Base

12.5ft

Maximum Overall Length

39.5ft

Ground to Lower Hitch Clearance

1.5ft

Clearance at Maximum Lift

12ft

B-Pin Height - Maximum Lift

18.7ft

Maximum Overall Height - Bucket Raised

25ft

Reach - Maximum Lift

7.7ft

Note

Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires.

Buckets

Bucket Capacities

6.4-7.6 m3 (8.3-10 yd3)

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

Alarm, back-up

Alternator, single 145 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

Starter emergency start receptacle

Transmission lockout in bumper

Hazardous voltage lamp

OPERATOR ENVIRONMENT

Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings

Air conditioner

Cat 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

CB radio-ready

Mirrors, rearview (externally mounted)

Seat, Cat Comfort Cloth, air suspension, six-way adjustable

Seat belt minder

Seat belt, retractable, 76 mm (3 in) wide

STIC Control System

UV glass

Virtual gear indicator

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

Electro hydraulic parking brake

Engine, C15 MEUI diesel, turbocharged/aftercooled

Ground level engine shutoff

Turbine precleaner, engine air intake

Starting aid, ether, automatic

Throttle lock, electronic

Manual switch and automatic fuel priming

Cat Production Measurement ready

Cat SR Generator/Pump Drive

Cat SR Drive Motor

Cat Integrated Powered Electronics

Automatic retarding controls

ADDITIONAL EQUIPMENT

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, 535 L (141 gal)

Hoses, Cat XT™

Hydraulic, steering and brake filtration/screening system

Cat Clean Emission Module

Oil sampling valves

Premixed 50 percent 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

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

Alarm, back-up

Alternator, single 145 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

Starter emergency start receptacle

Transmission lockout in bumper

Hazardous voltage lamp

OPERATOR ENVIRONMENT

Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings

Air conditioner

Cat 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

CB radio-ready

Mirrors, rearview (externally mounted)

Seat, Cat Comfort Cloth, air suspension, six-way adjustable

Seat belt minder

Seat belt, retractable, 76 mm (3 in) wide

STIC Control System

UV glass

Virtual gear indicator

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

Electro hydraulic parking brake

Engine, C15 MEUI diesel, turbocharged/aftercooled

Ground level engine shutoff

Turbine precleaner, engine air intake

Starting aid, ether, automatic

Throttle lock, electronic

Manual switch and automatic fuel priming

Cat Production Measurement ready

Cat SR Generator/Pump Drive

Cat SR Drive Motor

Cat Integrated Powered Electronics

Automatic retarding controls

ADDITIONAL EQUIPMENT

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, 535 L (141 gal)

Hoses, Cat XT™

Hydraulic, steering and brake filtration/screening system

Cat Clean Emission Module

Oil sampling valves

Premixed 50 percent 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

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

Alarm, back-up

Alternator, single 145 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

Starter emergency start receptacle

Transmission lockout in bumper

Hazardous voltage lamp

OPERATOR ENVIRONMENT

Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings

Air conditioner

Cat 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

CB radio-ready

Mirrors, rearview (externally mounted)

Seat, Cat Comfort Cloth, air suspension, six-way adjustable

Seat belt minder

Seat belt, retractable, 76 mm (3 in) wide

STIC Control System

UV glass

Virtual gear indicator

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

Electro hydraulic parking brake

Engine, C15 MEUI diesel, turbocharged/aftercooled

Ground level engine shutoff

Turbine precleaner, engine air intake

Starting aid, ether, automatic

Throttle lock, electronic

Manual switch and automatic fuel priming

Cat Production Measurement ready

Cat SR Generator/Pump Drive

Cat SR Drive Motor

Cat Integrated Powered Electronics

Automatic retarding controls

ADDITIONAL EQUIPMENT

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, 535 L (141 gal)

Hoses, Cat XT™

Hydraulic, steering and brake filtration/screening system

Cat Clean Emission Module

Oil sampling valves

Premixed 50 percent 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

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

Alarm, back-up

Alternator, single 145 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

Starter emergency start receptacle

Transmission lockout in bumper

Hazardous voltage lamp

OPERATOR ENVIRONMENT

Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings

Air conditioner

Cat 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

CB radio-ready

Mirrors, rearview (externally mounted)

Seat, Cat Comfort Cloth, air suspension, six-way adjustable

Seat belt minder

Seat belt, retractable, 76 mm (3 in) wide

STIC Control System

UV glass

Virtual gear indicator

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

Electro hydraulic parking brake

Engine, C15 MEUI diesel, turbocharged/aftercooled

Ground level engine shutoff

Turbine precleaner, engine air intake

Starting aid, ether, automatic

Throttle lock, electronic

Manual switch and automatic fuel priming

Cat Production Measurement ready

Cat SR Generator/Pump Drive

Cat SR Drive Motor

Cat Integrated Powered Electronics

Automatic retarding controls

ADDITIONAL EQUIPMENT

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, 535 L (141 gal)

Hoses, Cat XT™

Hydraulic, steering and brake filtration/screening system

Cat Clean Emission Module

Oil sampling valves

Premixed 50 percent 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

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

ELECTRICAL

Alarm, back-up

Alternator, single 145 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

Starter emergency start receptacle

Transmission lockout in bumper

Hazardous voltage lamp

OPERATOR ENVIRONMENT

Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings

Air conditioner

Cat 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

CB radio-ready

Mirrors, rearview (externally mounted)

Seat, Cat Comfort Cloth, air suspension, six-way adjustable

Seat belt minder

Seat belt, retractable, 76 mm (3 in) wide

STIC Control System

UV glass

Virtual gear indicator

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

Electro hydraulic parking brake

Engine, C15 MEUI diesel, turbocharged/aftercooled

Ground level engine shutoff

Turbine precleaner, engine air intake

Starting aid, ether, automatic

Throttle lock, electronic

Manual switch and automatic fuel priming

Cat Production Measurement ready

Cat SR Generator/Pump Drive

Cat SR Drive Motor

Cat Integrated Powered Electronics

Automatic retarding controls

ADDITIONAL EQUIPMENT

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, 535 L (141 gal)

Hoses, Cat XT™

Hydraulic, steering and brake filtration/screening system

Cat Clean Emission Module

Oil sampling valves

Premixed 50 percent 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

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