988 GC Wheel Loader
360° Exterior View
360° Interior View
At a Glance
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Overview
Engine
+ -| Engine Model | Cat® C15 |
| Rated Speed | 2000 |
| Peak Power Speed | 1600 |
| Engine Power - ISO 14396 | 449HP |
| Gross Power - SAE J1995 | 456HP |
| Net Power - SAE J1349 | 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 1 | Lock-up disabled |
| Direct Drive - Reverse 2 | 9mile/h |
| Direct Drive - Reverse 3 | 16mile/h |
| Direct Drive - Reverse 4 | 25.4mile/h |
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 (Global Warming Potential = 1430). The system contains 1.8 kg of refrigerant which has a CO2 equivalent of 2.574 metric tonnes. |
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 a |
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) |
Sustainability
+ -| Recyclability | 96% |
Standard Equipment:
Note
+ --
Standard and optional equipment may vary. Consult your Cat dealer for details.
Electrical
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Alarm, back-up
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Alternator, single 145 amp
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Batteries, dry
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Converter, 10/15 amp, 24V to 12V
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Lighting system (LED, work lights, access and service platform lighting)
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Starting and charging system, 24V
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Starter emergency start receptacle
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Transmission lockout in bumper
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Hazardous voltage lamp
Operator Environment
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Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
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Air conditioner
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Cat Vision, rear vision camera system
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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
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Controls, lift and tilt function
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Heater, defroster
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Horn, electric
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Instrumentation, gauges
– Coolant temperature
– Engine hour meter
– Hydraulic oil temperature
– Power train oil temperature -
Light, cab, dome
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Lunchbox, beverage holders
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CB radio-ready
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Mirrors, rearview (externally mounted)
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Seat, Cat Comfort Cloth, air suspension, six-way adjustable
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Seat belt minder
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Seat belt, retractable, 76 mm (3 in) wide
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STIC Control System
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UV glass
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Virtual gear indicator
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Wet-Arm wipers/washers (front and rear)
– Intermittent front and rear wipers -
Lights, directional
Power Train
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Brakes, oil-cooled, multi-disc, service/secondary
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Case drain screens
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Electro hydraulic parking brake
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Engine, C15 MEUI diesel, turbocharged/aftercooled
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Ground level engine shutoff
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Turbine precleaner, engine air intake
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Starting aid, ether, automatic
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Throttle lock, electronic
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Manual switch and automatic fuel priming
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Cat Production Measurement ready
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Cat SR Generator/Pump Drive
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Cat SR Drive Motor
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Cat Integrated Powered Electronics
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Automatic retarding controls
Additional Equipment
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Automatic bucket lift kickout/positioner
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Base machine price includes a rim allowance
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Hydraulically driven demand fan
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Couplings, Cat O-ring face seals
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Doors, service access (locking)
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Ecology drains for engine, radiator, hydraulic tank
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Fuel tank, 535 L (141 gal)
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Hoses, Cat XT™
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Hydraulic, steering and brake filtration/screening system
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Cat Clean Emission Module
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Oil sampling valves
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Premixed 50 percent concentration of extended life coolant with freeze protection to –34° C (–29° F)
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Rear access to cab and service platform
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Steering, load sensing
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Toe kicks
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Vandalism protection caplocks
Optional Equipment:
Note
+ -Standard and optional equipment may vary. Consult your Cat dealer for details.
Power Train
+ -High ambient cooling – software
Optional Cat Production Measurement
Optional Engine brake
Crankcase guard
Operator Environment
+ -Cab precleaner
Cat Detect, object detection system
AM/FM radio
Additional Equipment
+ -Front and rear roading fenders
Cold Weather Starting
Autolube