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.
Engine Model
Cat® C15
Rated Speed
2000
Peak Power Speed
1600
Product specifications for 988 GC Large Wheel Loaders
Engine
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Engine Model
Cat® C15
Rated Speed
2000
Peak Power Speed
1600
Engine Power – ISO 14396
335 kW
Gross Power – SAE J1995
340 kW
Net Power – SAE J1349
278 kW
Emissions
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
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
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Operating Weight
53006 kg
Rated Payload – Quarry Face
11.3 t
Bucket Capacity Range
6.4-7.6 m3 (8.3-10 yd3)
Cat Truck Match – High Lift
772/773/775
Transmission
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Transmission Type
Cat planetary power shift
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
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Lift/Tilt System – Circuit
EH – Load Sense
Lift/Tilt System
2X x 145 cc Variable displacement piston
Maximum Flow at 2,165 rpm
600 l/min
Relief Valve Setting – Lift/Tilt
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
Tilt Cylinder – Stroke
685 mm
Hydraulic Cycle Times
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Rack Back
3.8 s
Raise
7.5 s
Dump
3 s
Lower Float Down
4.6 s
Total Hydraulic Cycle Time – Empty Bucket
18.9 s
Hydraulic System – Steering
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Steering System – Circuit
Pilot, load sensing
Steering System – Pump
Piston, variable displacement
Maximum Flow
200 l/min
Relief Valve Setting – Steering
27600 kPa
Total Steering Angle
70°
Steering Cycle Times – High Idle
3 s
Steering Cycle Times – Low Idle
5.2 s
Air Conditioning System
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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
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Front
Fixed
Rear
Trunnion
Oscillation Angle
+/-12.5°
Brakes
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Brakes
ISO 3450:2011
Operator’s Cab
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ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Service Refill Capacities
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Fuel Tank
535 l
Cooling System
101 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
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
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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) – High Lift
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Ground to Top of ROPS
4100 mm
Ground to Top of Exhaust Stacks
4060 mm
Ground to Top of Hood
3270 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
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
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Bucket Capacities
6.4-7.6 m3 (8.3-10 yd3)
Sustainability
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Recyclability
96%
PROVEN RELIABILITY
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Proven Reliability
Cat C15 engine is built and tested to meet your most demanding applications.
Cat torque converter with lock-up clutch eliminates torque converter losses and lowers system heat.
Maximum responsiveness with Steering and Integrated Control (STIC™).
Moves more material more efficiently with improved power and control.
Transmission neutralizer pedal extends service brake life and allows full power during stationary loading.
Mechanically Actuated Electronic Unit Injection (MEUI™) fuel system and Advanced Diesel Engine Management (ADEM™) A5 electronic control module manage fuel delivery for optimum performance and quick engine response.
LONG TERM VALUE AND DURABILITY
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Durability
Best-in-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
Advanced Productivity Electronic Control Shifting (APECS) transmission controls for greater momentum on grades.
Positive Flow Control (PFC) hydraulic system increases efficiency, bucket feel, and responsiveness with consistent performance.
Advanced filtration system for extended performance and reliability of the hydraulic system.
Impeller Clutch Torque Converter (ICTC) minimizes tire spin by allowing torque to adjust to underfoot conditions.
Advanced filtration system for extended performance and reliability of the hydraulic system.
ACHIEVE GREATER PRODUCTIVITY
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Achieve Productivity Targets
Optimum 50-ton truck match loader.
Dump clearance designed for efficient truck loading up to 775G.
Improved visibility over the top of the linkage.
Rated payload aligned with 988K.
Convenient, responsive electro-hydraulic controls increase operator productivity.
Integrated steering and transmission controls.
POWERFUL EFFICIENCY
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Superior Fuel Efficiency
Up to 5% less fuel consumption than the 988K.
Flow sharing hydraulics for full flow at reduced engine rpm.
Fully integrated electronic engine controls make your fuel go farther.
Engine Idle Shutdown for less fuel used while idling.
PRODUCTIVITY WITH TECHNOLOGY
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Increase Productivity and Efficiency with Integrated Technologies
Cat Technologies developed to monitor, manage, and enhance your jobsite operations.
Cat Payload ready provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
Optional Cat Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the jobsite.
Product Link™ wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business. Gain valuable insight into how your machine or fleet is performing.
Optional Advanced Productivity subscription provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.
Standard work tool recognition provides awareness of bucket install.
*Not legal for trade.
SAFETY FIRST
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Safety Features
Achieve precise positioning for easy loading in tight areas with 43 degrees of steering articulation.
Precise machine control by load-sensing hydraulic steering system.
Standard LED lights for improved visibility.
Optional left- and right-hand stairs with 45-degree angle.
Computerized monitoring system with warning indicators.
Standard rear Cat Vision enhances visibility behind the machine, helping you work safely and confidently.
Pressurized cabin with filtered air and reduced sound levels.
SAVE ON SERVICE AND MAINTENANCE
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Reduced Maintenance Time and Costs
Up to 25% lower maintenance costs than the 988K.
Grouped service points provide easy access to critical daily service checks.
Electro-hydraulic controls.
Swing-out engine compartment service doors.
Reduced waste with maintenance-free batteries.
Ecology drains to prevent spilled contaminants and allow for easier service.
Vehicle Information Management System (VIMS™) notifications to resolve problems before failure.
Ground level access to transmission control valves.
OPERATOR COMFORT AND CONTROL
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Easy, Comfortable Operator Environment
Best-in-class operator comfort and ergonomics.
Comfort Series III seats with extra thick, contoured cushions provide total comfort throughout the workday.
Easy-to-reach levers and seat-mounted implement pod to reduce fatigue.
Ergonomic switch placement and displays with large, backlit switches and LED indicators.
Two-position rocker switch activates the electro hydraulic parking brake.
Reduced vibrations from isolated cab mounts and seat air suspension.
Automatic cab temperature controls.
Up to 47% quieter STIC steering significantly reduces operator sound levels.
SUSTAINABILITY
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Sustainability
The 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 Nonroad Stage III emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.
The 988 GC emits up to 5% less CO2/hr than the 988K.
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)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels
Cat engines meeting Brazil MAR-1 and China Nonroad Stage III, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, are compatible with diesel fuel blended with the following lower-carbon intensity fuels up to: 100% biodiesel FAME (fatty acid methyl ester)** or 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.
Engine Idle Management System and Auto Engine Idle Shutdown reduces idle RPM and maximize fuel efficiency.
Load sensing hydraulics produce flow and pressure on-demand and only in amounts necessary to perform the needed functions.
Cat Payload technology maximizes loading efficiency, helping operators of every skill level work more accurately to reduce load time, fuel costs and greenhouse gas emissions.
Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
Optional Cat clean emissions module includes Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC), and Selective Catalytic Reduction (SCR) technologies to reduce the engine’s emissions.
*All comparisons to 988K. Productivity, fuel and CO2 emissions vary by application. CO2 emissions calculations based on a reference work cycle using 2.2 U.S. gallons per hour of #2 U.S. diesel fuel. Applies IPCC2006 methodology using U.S. EPA Emissions Hub emission factors. Includes DEF (diesel exhaust fluid) related CO2. Fuel measurements are at 15°C. Estimated average fuel consumption improvements are based on tests or Product Link™️ data where available. Productivity improvements are based on test data.
988 GC Standard Equipment
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NOTE
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Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
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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
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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
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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
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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
988 GC Optional Equipment
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NOTE
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Standard and optional equipment may vary. Consult your Cat dealer for details.
POWER TRAIN
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High ambient cooling – software
Optional Cat Production Measurement
Optional Engine brake
Crankcase guard
OPERATOR ENVIRONMENT
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Cab precleaner
Cat Detect, object detection system
AM/FM radio
ADDITIONAL EQUIPMENT
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Front and rear roading fenders
Cold Weather Starting
Autolube
