The Cat® 988 GC Wheel Loader helps you move more material at a low cost per hour for a fast return on your investment. This machine offers significant fuel savings and up to 10% lower owning and operating cost than the 988K.
Features
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PROVEN RELIABILITY
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LONG TERM VALUE AND DURABILITY
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ACHIEVE GREATER PRODUCTIVITY
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POWERFUL EFFICIENCY
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PRODUCTIVITY WITH TECHNOLOGY
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SAFETY FIRST
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SAVE ON SERVICE AND MAINTENANCE
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OPERATOR COMFORT AND CONTROL
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SUSTAINABILITY
Specifications
Units for specifications
Engine
| Engine Model | Cat® C15 |
|---|---|
| Rated Speed | 2000 rpm |
| Peak Power Speed | 1600 rpm |
| Gross Power - SAE J1995:2014 | 456 hp 340 kW |
| Net Power - SAE J1349:2011 | 448 hp 334 kW |
| Bore | 5.4 in 137 mm |
| Stroke | 6.75 in 171.5 mm |
| Displacement | 927 in³ 15.2 l |
| Peak Torque (1,200 rpm) - SAE J1995:2014 | 1778 lbf·ft 2411 N·m |
| Torque Rise | 16% |
| Note (1) | Two engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. |
| 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. |
| Note (3) | Net power at the flywheel when the fan is at maximum speed is 304 kW / 408 hp per SAE reference conditions. |
Operating Specifications
| Operating Weight | 112426 lb 50996 kg |
|---|---|
| Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) |
| Rated Payload - Quarry Face | 12.5 ton (US) 11.3 t |
| Cat Truck Match - High Lift | 772/773/775 |
Transmission
| Transmission Type | Cat planetary power shift |
|---|---|
| Forward - 1 | 5 mile/h 7.3 km/h |
| Forward - 2 | 8 mile/h 12.2 km/h |
| Reverse - 1 | 5 mile/h 7.6 km/h |
| Reverse - 2 | 8 mile/h 13.6 km/h |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 2 | 8 mile/h 12.7 km/h |
| Direct Drive - Forward 3 | 14 mile/h 22 km/h |
| Direct Drive - Forward 4 | 24 mile/h 39 km/h |
| Direct Drive - Reverse 1 | Lock-up disabled |
| Direct Drive - Reverse 2 | 9 mile/h 14.1 km/h |
| Direct Drive - Reverse 3 | 16 mile/h 25 km/h |
| Direct Drive - Reverse 4 | 25.4 mile/h 40.8 km/h |
| Note | Travel speeds based on 35/65-R33 tires. |
Hydraulic System - Lift/Tilt
| Lift/Tilt System - Circuit | EH - Load Sense |
|---|---|
| Lift/Tilt System - Pump | Variable displacement piston |
| Maximum Flow at 2,165 rpm | 159 gal/min 600 l/min |
| Relief Valve Setting - Lift/Tilt | 4598 psi 31700 kPa |
| 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 |
| Relief Valve Setting | 500 psi 3450 kPa |
Hydraulic Cycle Times
| Rack Back | 3.8 s 3.8 s |
|---|---|
| Raise | 7.5 s 7.5 s |
| Dump | 3.0 s 3.0 s |
| Lower Float Down | 4.6 s 4.6 s |
| Total Hydraulic Cycle Time - Empty Bucket | 18.9 s 18.9 s |
Hydraulic System - Steering
| Steering System - Circuit | Pilot, load sensing |
|---|---|
| Steering System - Pump | Piston, variable displacement |
| Maximum Flow at 2,165 rpm | 52 gal/min 200 l/min |
| Relief Valve Setting - Steering | 4000 psi 27600 kPa |
| Total Steering Angle | 70° |
| Steering Cycle Times - High Idle | 3 s 3 s |
| Steering Cycle Times - Low Idle | 5.2 s 5.2 s |
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). |
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Axles
| Front | Fixed |
|---|---|
| Rear | Trunnion |
| Oscillation Angle | +/-12.5° |
Brakes
| Brakes | ISO 3450:2011 |
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Operator's Cab
| ROPS/FOPS | Rollover Protective Structure/Falling Objects Protective Structure (ROPS/FOPS) meet ISO 3471:2008 and ISO 3449:2005 Level II standards |
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Sound Performance - Tier 4 Final / Stage V
| Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) 73 dB(A) |
|---|---|
| Machine Sound Power Level (ISO 6395:2008) | 113 dB(A) 113 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 72 dB(A) 72 dB(A) |
| Machine Sound Power Level (ISO 6395:2008)** | 110 dB(A) 110 dB(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) | 74 dB(A) 74 dB(A) |
|---|---|
| Machine Sound Power Level (ISO 6395:2008) | 113 dB(A) 113 dB(A) |
| Operator Sound Pressure Level (ISO 6396:2008)* | 73 dB(A) 73 dB(A) |
| Machine Sound Power Level (ISO 6395:2008)** | 110 dB(A) 110 dB(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 | 141 gal (US) 535 l |
|---|---|
| Cooling System | 27 gal (US) 101 l |
| Engine Crankcase | 9 gal (US) 34 l |
| Diesel Exhaust Fluid Tank | 5.5 gal (US) 21 l |
| Transmission | 20 gal (US) 75 l |
| Differential - Final Drives - Front | 49 gal (US) 186 l |
| Differential - Final Drives - Rear | 45 gal (US) 170 l |
| Hydraulic System Factory Fill | 94 gal (US) 355 l |
| Note | Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with 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. * While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). |
Dimensions (Approximate) - High Lift
| Ground to Top of ROPS | 13.5 ft 4100 mm |
|---|---|
| Ground to Top of Exhaust Stacks | 13.3 ft 4060 mm |
| Ground to Top of Hood | 10.7 ft 3270 mm |
| Ground to Fuel Tank Clearance | 2.2 ft 686 mm |
| Rear Axle - Centerline to Bumper | 10.3 ft 3132 mm |
| Front Axle Centerline to Bucket Tip | 16.7 ft 5100 mm |
| Wheel Base | 12.5 ft 3810 mm |
| Maximum Overall Length | 39.5 ft 12042 mm |
| Ground to Lower Hitch Clearance | 1.5 ft 459 mm |
| Ground to Center of Front Axle | 3.2 ft 978 mm |
| Clearance at Maximum Lift (45° Dump) | 12 ft 3732 mm |
| B-Pin Height - Maximum Lift | 18.7 ft 5755 mm |
| Maximum Overall Height - Bucket Raised | 25 ft 7582 mm |
| Reach at Maximum Lift (45° Dump) | 7.7 ft 2342 mm |
| Note | Specifications are calculated with 6.9 m3 (9.0 yd3 ) rock bucket equipped with Michelin XLDD1 35/65 R33 tires. |
Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
- Alarm, back-up
- Alternator, single 145 amp
- Batteries, maintenance free
- 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
OPERATOR ENVIRONMENT
- Cab precleaner
- Lights, LED
- AM/FM radio
- 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/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
- Mirrors, rearview (externally mounted)
- Seat, Cat Comfort Cloth, air suspension, six-way adjustable
- Seat belt minder
- Seat belt, retractable, 76 mm (3 in) wide
- Steering and Transmission Integrated Control (STIC™) system
- UV glass
- Transmission gear indicator
- Wet-Arm wipers/washers (front and rear)
– Intermittent front and rear wipers - Lights, directional
- Cat Production Measurement ready
POWERTRAIN
- Brakes, oil-cooled, multi-disc, service/secondary
- Case drain screens
- Electro hydraulic parking brake
- Engine, C15 MEUI™ diesel, turbocharged/aftercooled
- Ground level emergency engine shutdown switch
- Turbine precleaner, engine air intake
- Manual switch and automatic fuel priming
- Torque converter, neutralizer
- Transmission, planetary power shift, 4F/4R electronic control
- Cat Integrated Powered Electronics
- Automatic retarding controls
- Crankcase guard
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
Optional Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
POWERTRAIN
- High ambient cooling – software
- Starting aid, ether, automatic
- Antifreeze -50°C (-58°F)
OPERATOR ENVIRONMENT
- Cat Production Measurement
- CB radio-ready
- Cat Detect, object detection system
ADDITIONAL EQUIPMENT
- Front and rear roading fenders
Videos
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Introduction Video – 988 GC Large Wheel Loader (YouTube) -
Walkaround Video – 988 GC Large Wheel Loader (YouTube) -
Customer Testimonial - 988 GC Large Wheel Loader (YouTube)
