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988 GC

Large Wheel Loaders

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.

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Net Power - SAE J1349 278 kW
Engine Power - ISO 14396 335 kW
Engine Model Cat® C15
Gross Power - SAE J1995 340 kW
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988 GC
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OVERVIEW

MOVE MORE MATERIAL EFFICIENTLY AND AT A LOWER COST

FEATURES & BENEFITS

PROVEN RELIABILITY

Proven ReliabilityCat C15 engine is built and tested to meet your most demanding applications.Cat torque converter with lock-up clutch eliminates torque converter losses... Read more

LONG TERM VALUE AND DURABILITY

DurabilityBest-in-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.Advanced Productivity Electronic Control... Read more

ACHIEVE GREATER PRODUCTIVITY

Achieve Productivity TargetsOptimum 50-ton truck match loader.Dump clearance designed for efficient truck loading up to 775G.Improved visibility over the top of the linka... Read more

POWERFUL EFFICIENCY

Superior Fuel EfficiencyUp to 5% less fuel consumption than the 988K.Flow sharing hydraulics for full flow at reduced engine rpm.Fully integrated electronic engine contro... Read more

PRODUCTIVITY WITH TECHNOLOGY

Increase Productivity and Efficiency with Integrated TechnologiesCat Technologies developed to monitor, manage, and enhance your jobsite operations.Cat Payload ready prov... Read more

SAFETY FIRST

Safety FeaturesAchieve precise positioning for easy loading in tight areas with 43 degrees of steering articulation.Precise machine control by load-sensing hydraulic stee... Read more

SAVE ON SERVICE AND MAINTENANCE

Reduced Maintenance Time and CostsUp to 25% lower maintenance costs than the 988K.Grouped service points provide easy access to critical daily service checks.Electro-hydr... Read more

OPERATOR COMFORT AND CONTROL

Easy, Comfortable Operator EnvironmentBest-in-class operator comfort and ergonomics.Comfort Series III seats with extra thick, contoured cushions provide total comfort th... Read more

SUSTAINABILITY

SustainabilityThe Cat® C15 engine is available in configurations that meet U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards or Brazil MAR-1 and China... Read more

SPECIFICATIONS FOR 988 GC

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Engine
Net Power - SAE J1349 278 kW
Engine Power - ISO 14396 335 kW
Engine Model Cat® C15
Gross Power - SAE J1995 340 kW
Rated Speed 2000
Emissions U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Peak Power Speed 1600
Bore 137 mm
Stroke 171.5 mm
Displacement 15.2 l
Peak Torque - 1,200 rpm - SAE J1995 2411 N·m
Torque Rise 16%
Operating Specifications
Operating Weight 53006 kg
Operating Weight - Standard 52781 kg
Operating Weight - High Lift 54258 kg
Rated Payload - Standard (Quarry Face) 11.3 t
Rated Payload - Loose Material (Standard) 14.5 t
Bucket Capacity Range 6.4-7.6 m3 (8.3-10 yd3)
Rated Payload - Quarry Face 11.3 t
Cat Truck Match - High Lift 772/773/775
Transmission
Transmission Type Cat planetary power shift
Forward 1 (virtual) 7 km/h
Forward 2 (virtual) 11.3 km/h
Forward 3 (virtual) 22.2 km/h
Forward 4 (virtual) 32.1 km/h
Reverse 1 (virtual) 7 km/h
Reverse 2 (virtual) 11.3 km/h
Reverse 3 (virtual) 28.2 km/h
Forward - 1 7.3 km/h
Forward - 2 12.2 km/h
Reverse - 1 7.6 km/h
Reverse - 2 13.6 km/h
Direct Drive - Forward 1 Lock-up disabled
Direct Drive - Forward 2 12.7 km/h
Direct Drive - Forward 3 22 km/h
Direct Drive - Forward 4 39 km/h
Direct Drive - Reverse 2 14.1 km/h
Direct Drive - Reverse 3 25 km/h
Direct Drive - Reverse 4 40.8 km/h
Direct Drive - Reverse 1 Lock-up disabled
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit EH - Load Sense
Lift/Tilt System - Pump Variable displacement piston
Maximum Flow at 1,400-1,600 rpm 580 l/min
Relief Valve Setting - Lift/Tilt 31700 kPa
Lift Cylinder - Bore 210 mm
Lift Cylinder - Stroke 1050 mm
Tilt Cylinder - Bore 269 mm
Tilt Cylinder - Stroke 685 mm
Lift/Tilt System 2X x 145 cc Variable displacement piston
Maximum Flow at 2,165 rpm 600 l/min
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
Hydraulic Cycle Times
Rack Back 3.8 s
Raise 7.5 s
Dump 3 s
Lower Float Down 4.6 s
Total Hydraulic Cycle Time 18.2 s
Total Hydraulic Cycle Time - Empty Bucket 18.9 s
Hydraulic System - Steering
Steering System - Circuit Pilot, load sensing
Steering System - Pump Piston, variable displacement
Maximum Flow at 1,400-1,600 rpm 270 l/min
Steering Cut Off Pressure 30000 kPa
Total Steering Angle 70°
Steering Cycle Times - High Idle 3 s
Steering Cycle Times - Low Idle 5.2 s
Maximum Flow 200 l/min
Relief Valve Setting - Steering 27600 kPa
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 535 l
Cooling System - Jacket Water 112 l
Cooling Systems - Power Train 30 l
Engine Crankcase 34 l
Diesel Exhaust Fluid Tank 21 l
Transmission 75 l
Differential - Final Drives - Front 186 l
Differential - Final Drives - Rear 170 l
Hydraulic System - Implement/Steering 475 l
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
Cooling System 101 l
Sound Performance - Tier 4 Final/EU Stage V - Standard
Operator Sound Level (ISO 6396) 72 dB(A)
Machine Sound Level (ISO 6395) 110 dB(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) - Standard Lift
Ground to Top of ROPS 4202 mm
Ground to Top of Exhaust Stacks 4498 mm
Ground to Top of Hood 3334 mm
Ground to Bumper Clearance 933 mm
Rear Axle - Centerline to Bumper 3187 mm
Front Axle Centerline to Bucket Tip 14 mm
Wheel Base 4550 mm
Maximum Overall Length 11991 mm
Ground to Lower Hitch Clearance 568 mm
Ground to Center of Axles 978 mm
Clearance at Maximum Lift 3641 mm
B-Pin Height - Maximum Lift 5479 mm
Maximum Overall Height - Bucket Raised 7455 mm
Reach - Maximum Lift 1981 mm
Note Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
Dimensions (Approximate) - High Lift
Ground to Top of ROPS 4100 mm
Ground to Top of Exhaust Stacks 4060 mm
Ground to Top of Hood 3270 mm
Ground to Bumper Clearance 933 mm
Rear Axle - Centerline to Bumper 3132 mm
Front Axle Centerline to Bucket Tip 4773 mm
Wheel Base 3810 mm
Maximum Overall Length 12042 mm
Ground to Lower Hitch Clearance 459 mm
Ground to Center of Axles 978 mm
Clearance at Maximum Lift 3732 mm
B-Pin Height - Maximum Lift 5755 mm
Maximum Overall Height - Bucket Raised 7582 mm
Reach - Maximum Lift 2342 mm
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%

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