988 GC Wheel Loader
Large Wheel Loaders
Details
Engine Model
Cat® C15
Rated Speed
2000
Peak Power Speed
1600
Overview
MOVE MORE MATERIAL EFFICIENTLY AND AT A LOWER COST
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.
Benefits
OPTIMUM 50 TON TRUCK MATCH LOADER
Achieve even greater production with an optimized truck match to maximize the volume of material moved at the lowest operating cost per ton<br />
LOWER OWNING & OPERATING COST
Designed to reduce your service and maintenance costs with grouped service points and ground level access to the electrical service center
EASY TO OPERATE AND MAINTAIN
Enhanced operator controls deliver greater efficiency, productivity, and comfort
LESS CO2 EMISSIONS
The 988 GC emits up to 5% less CO2 than the previous 988K.
Features at a Glance
- PROVEN RELIABILITY
-
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
-
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
-
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
-
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
-
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.
- SAFETY FIRST
-
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
-
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
-
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
-
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.
Specifications
Full Specifications
- Engine
-
Engine Model
Cat® C15Rated Speed
2000Peak Power Speed
1600Engine Power - ISO 14396
449 HPGross Power - SAE J1995
456 HPNet Power - SAE J1349
373 HPEmissions
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014Bore
5.4 inStroke
6.75 inDisplacement
927 in³Peak Torque - 1,200 rpm - SAE J1995
1778 ft·lbfTorque Rise
16%
- Operating Specifications
-
Operating Weight
116858 lbRated Payload - Quarry Face
12.5 ton (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 shiftForward - 1
5 mile/hForward - 2
8 mile/hReverse - 1
5 mile/hReverse - 2
8 mile/hDirect Drive - Forward 1
Lock-up disabledDirect Drive - Forward 2
8 mile/hDirect Drive - Forward 3
14 mile/hDirect Drive - Forward 4
24 mile/hDirect Drive - Reverse 2
9 mile/hDirect Drive - Reverse 3
16 mile/hDirect Drive - Reverse 4
25.4 mile/hDirect Drive - Reverse 1
Lock-up disabled
- Hydraulic System - Lift/Tilt
-
Lift/Tilt System - Circuit
EH - Load SenseLift/Tilt System
2X x 145 cc Variable displacement pistonMaximum Flow at 2,165 rpm
159 gal/minRelief Valve Setting - Lift/Tilt
4598 psiCylinders, 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 pistonTilt Cylinder - Stroke
27 in
- Hydraulic Cycle Times
-
Rack Back
3.8 sRaise
7.5 sDump
3.0 sLower Float Down
4.6 sTotal Hydraulic Cycle Time - Empty Bucket
18.9 s
- Hydraulic System - Steering
-
Steering System - Circuit
Pilot, load sensingSteering System - Pump
Piston, variable displacementMaximum Flow
52 gal (US)Relief Valve Setting - Steering
4000 psiTotal Steering Angle
70°Steering Cycle Times - High Idle
3 sSteering Cycle Times - Low Idle
5.2 s
- 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
FixedRear
TrunnionOscillation 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
141 gal (US)Cooling System
27 gal (US)Engine Crankcase
9 gal (US)Diesel Exhaust Fluid Tank
5.5 gal (US)Transmission
20 gal (US)Differential - Final Drives - Front
49 gal (US)Differential - Final Drives - Rear
45 gal (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)
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
-
Ground to Top of ROPS
13.5 ftGround to Top of Exhaust Stacks
13.3 ftGround to Top of Hood
10.7 ftRear Axle - Centerline to Bumper
10.3 ftFront Axle Centerline to Bucket Tip
15.7 ftWheel Base
12.5 ftMaximum Overall Length
39.5 ftGround to Lower Hitch Clearance
1.5 ftClearance at Maximum Lift
12 ftB-Pin Height - Maximum Lift
18.7 ftMaximum Overall Height - Bucket Raised
25 ftReach - Maximum Lift
7.7 ftNote
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%
Equipment
- Standard Equipment
-
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
- 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