The Cat® 988 Wheel Loader helps you move more material in less time, at a low cost per ton, for a fast return on your investment. This machine offers significant fuel savings with durability to achieve multiple lifecycles.
Caterpillar
988 Wheel Loader
Overview
Photos
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988 Large Wheel Loader -
988 Large Wheel Loader -
988 Large Wheel Loader -
988 Large Wheel Loader -
988 Large Wheel Loader -
988 Large Wheel Loader -
988 Large Wheel Loader -
988 Large Wheel Loader
Videos
360° View
Exterior
360° Exterior view. Double click on the image to zoom in on any area of the product.
Interior
360° interior view. Double click on the image to zoom in on any area of the product.
Specifications
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Engine
Spec Value Engine Power - ISO 14396:2002 580 hp Engine Model Cat® C18 Rated Speed 1700/rpm Peak Power Speed 1500/rpm Gross Power - SAE J1995:2014 588 hp Net Power - SAE J1349:2011 538 hp Bore 5.7 in Stroke 7.2 in Displacement 1105 in³ Peak Torque - 1,200 rpm 2104 lbf·ft Torque Rise 58 % Note (1) Three engine emission options are available: 1. Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. 2. Meets Brazil MAR-1 emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA. 3. Meets China Nonroad Stage IV emission standards. 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. -
Operating Specifications
Spec Value Operating Weight 112574 lb Bucket Capacity Range 4.7-13 m3 (6.2-17 yd3) Rated Payload - Quarry Face 12.5 t Rated Payload - Loose Material 16 t Cat Truck Match - Standard 770 - 772 Cat Truck Match - High Lift 773 - 775 -
Transmission
Spec Value Transmission Type Cat planetary powershift Forward - 1 4 mile/h Forward - 2 7.2 mile/h Forward - 3 12.7 mile/h Forward - 4 21.6 mile/h Reverse - 1 4.7 mile/h Reverse - 2 8.3 mile/h Reverse - 3 14.4 mile/h Direct Drive - Forward 1 Lock-up disabled Direct Drive - Forward 2 7.8 mile/h Direct Drive - Forward 3 13.9 mile/h Direct Drive - Forward 4 24.4 mile/h Direct Drive - Reverse 1 5 mile/h Direct Drive - Reverse 2 8.9 mile/h Direct Drive - Reverse 3 15.8 mile/h -
Hydraulic System - Lift/Tilt
Spec Value Lift/Tilt System - Circuit EH- Positive Flow Control, Flow Sharing Lift/Tilt System - Pump Variable displacement piston Maximum Flow at 1,400-1,860 rpm 153 gal/min Relief Valve Setting - Lift/Tilt 4757 psi Cylinders, Double Acting - Lift, Bore and Stroke 210 mm × 1050 mm (8.7 in × 41.3 in) Cylinders, Double Acting - Tilt, Bore and Stroke 266 mm × 685 mm (8.7 in × 27 in) Pilot System Variable displacement piston Relief Valve Setting - Main 551 psi -
Hydraulic Cycle Time (1,400-1,860 rpm)
Spec Value Rack Back 4.5 s Raise 8 s Dump 2.2 s Lower Float Down 3.5 s Total Hydraulic Cycle Time - Empty Bucket 18.2 s -
Hydraulic System - Steering
Spec Value Steering System - Circuit Pilot, load sensing Steering System - Pump Piston, variable displacement Maximum Flow at 1,400-1,600 rpm 71.3 gal/min Relief Valve Setting - Steering 4351 psi Total Steering Angle 86 ° Steering Cycle Times - High Idle 3.4 s Steering Cycle Times - Low Idle 5.6 s -
Air Conditioning System
Spec Value 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). -
Axles
Spec Value Front Fixed Rear Trunnion Oscillation Angle 13 ° -
Brakes
Spec Value Brakes ISO 3450:2011 -
Operator's Cab
Spec Value ROPS/FOPS ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards -
Sound Performance - Tier 4 Final / Stage V
Spec Value Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) Machine Sound Power Level (ISO 6395:2008) 111 dB(A) Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) Machine Sound Power Level (ISO 6395:2008)** 109 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
Spec Value Operator Sound Pressure Level (ISO 6396:2008) 73 dB(A) Machine Sound Power Level (ISO 6395:2008) 112 dB(A) Operator Sound Pressure Level (ISO 6396:2008)* 72 dB(A) Machine Sound Power Level (ISO 6395:2008)** 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
Spec Value Fuel Tank 188 gal (US) Cooling System 31.7 gal (US) Coolant (Validated by Test Cell Fill Quantities) 33 gal (US) Crankcase 15.9 gal (US) Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only) 8.7 gal (US) Transmission 24.3 gal (US) Transmission - Validated by Test Cell Fill Quantities 29 gal (US) Differential - Final Drives - Front 49.1 gal (US) Differential - Final Drives - Rear 49.1 gal (US) Hydraulic System Factory Fill 125.5 gal (US) Hydraulic System - Tank Only 63.4 gal (US) Note • All non-road Tier 4 Final/Stage V 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).** • For pre-Tier 4 engines: Cat engines are compatible with diesel fuel blended with the following lower-carbon intensity fuels** up to: – 100% 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. * For use of blends higher than 20% biodiesel, consult your Cat dealer. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. -
Dimensions (Approximate) - Standard Lift Linkage
Spec Value Ground to Top of ROPS 13.8 ft Ground to Top of Exhaust Stacks 14.8 ft Ground to Top of Hood 10.9 ft Rear Axle - Centerline to Bumper 10.5 ft Front Axle Centerline to Bucket Tip 14 ft Wheel Base 14.9 ft Maximum Overall Length 39.3 ft Ground to Lower Hitch Clearance 1.9 ft Clearance at Maximum Lift 11.9 ft B-Pin Height - Maximum Lift 18 ft Maximum Overall Height - Bucket Raised 24.5 ft Reach - Maximum Lift 6.5 ft -
Dimensions (Approximate) - High Lift Linkage
Spec Value Ground to Top of ROPS 13.8 ft Ground to Top of Exhaust Stacks 14.8 ft Ground to Top of Hood 10.9 ft Rear Axle - Centerline to Bumper 10.5 ft Front Axle Centerline to Bucket Tip 15.3 ft Wheel Base 14.9 ft Maximum Overall Length 40.7 ft Ground to Lower Hitch Clearance 1.9 ft Clearance at Maximum Lift 13.3 ft B-Pin Height - Maximum Lift 19.3 ft Maximum Overall Height - Bucket Raised 25.8 ft Reach - Maximum Lift 6.8 ft
Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
ELECTRICAL
- Alarm, back-up
- Alternator, single 150 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
- Auxiliary jump start receptacle
- Starter lockout in bumper
- Transmission lockout in bumper
OPERATOR ENVIRONMENT
- Graphical Information Display, displays real time operating information, performs calibrations and customizes operator settings
- CB radio ready
- 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
- Radio, AM/FM/CD/MP3 Bluetooth®
- Mirrors, rearview (externally mounted)
- Rimpull Control System (RCS)
- Seat, deluxe
- Seat belt minder
- Seat belt, retractable, 76 mm (3 in) wide
- Steering and Transmission Integrated Control (STIC™) System
- UV glass
- Vital Information Management System (VIMS™) with Graphical Information Display: External Data Port
- Wet-arm wipers/washers (front and rear): – Intermittent front and rear wipers
- Lights, directional
POWERTRAIN
- Brakes, oil-cooled, multi-disc, service/secondary
- Case drain screens
- Electro hydraulic parking brake
- Engine, C18 Mechanically Actuated Electronic Unit Injection (MEUI™) diesel, turbocharged/aftercooled
- Ground level engine shutdown switch
- Turbine precleaner, engine air intake
- Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)
- Radiator, Aluminum Modular Radiator (AMR)
- Starting aid, ether, automatic
- Throttle lock, electronic
- Torque converter, Impeller Clutch (ICTC) with Lock up clutch (LUC), Rimpull Control System
- Transmission, planetary powershift, 4F/3R electronic control
- Manual switch and automatic fuel priming
- Cat Production Measurement ready
ADDITIONAL EQUIPMENT
- 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, 712 L (188 gal)
- Hitch, drawbar with pin
- Hoses, Cat XT™
- Hydraulic, steering and brake filtration/screening system
- Cat Clean Emission Module (CEM)
- Oil sampling valves
- 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
- –50° C (–58° F) antifreeze
- Crankcase guard
- Engine oil change system, high speed, Wiggins
- High ambient cooling – software
- Cat Production Measurement
OPERATOR ENVIRONMENT
- Cab precleaner
- LED warning strobe
- Window pull down visor
- Handrail mounted mirrors
ADDITIONAL EQUIPMENT
- Additional counterweight
- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)
- Cold weather package: additional starter and 2 batteries, engine block heater 120V or 240V, heated fuel lines
OTHER OPTIONAL CONFIGURATIONS
- Aggregate Handler
- Block Handler
- Millyard
- Steel Mill
988K
4.4m³ (5.75yd³) Iron Ore
11.5m³ (15yd³)
2479mm (98in)