Large Wheel Loaders
988 Wheel Loader
Engine
- Net Power
- 541 HP
- Net Power
- 541 HP
- Engine Power
- 580 hp
- Engine Power
- 580 HP
- Gross Power
- 588 HP
- Engine Model
- Cat® C18
- Rated Speed
- 1700/rpm
- Peak Power Speed
- 1500/rpm
- Emissions
- U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards, Brazil MAR-1 and China Nonroad Stage IV emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA, and U.S. EPA Tier 2 and EU Stage II
- Gross Power
- 588 hp
- Net Power
- 538 hp
- Bore
- 5.7 in
- Stroke
- 7.2 in
- Displacement
- 1105 in³
- Peak Torque
- 2104 lbf·ft
- Torque Rise
- 58 %
- Note
- 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 emissio
- Note
- 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.
- Peak Power Speed
- 580 HP
- Peak Power Speed
- 588 HP
- Peak Power Speed
- 541 HP
- Gross
- 580 HP
Operating Specifications
- Operating Weight
- 112574 lb
- Bucket Capacity Range
- 4.7-13 m3 (6.2-17 yd3)
- Rated Payload
- 12.5 t
- Rated Payload
- 16 t
- Cat Truck Match
- 770 - 772
- Cat Truck Match
- 773 - 775
Transmission
- Transmission Type
- Cat planetary powershift
- Forward
- 4 mile/h
- Forward
- 7.2 mile/h
- Forward
- 12.7 mile/h
- Forward
- 21.6 mile/h
- Reverse
- 4.7 mile/h
- Reverse
- 8.3 mile/h
- Reverse
- 14.4 mile/h
- Direct Drive
- Lock-up disabled
- Direct Drive
- 7.8 mile/h
- Direct Drive
- 13.9 mile/h
- Direct Drive
- 24.4 mile/h
- Direct Drive
- 5 mile/h
- Direct Drive
- 8.9 mile/h
- Direct Drive
- 15.8 mile/h
Hydraulic System - Lift/Tilt
- Lift
- EH- Positive Flow Control, Flow Sharing
- Lift
- Variable displacement piston
- Lift
- Variable displacement piston
- Maximum Flow at 1
- 153 gal/min
- Relief Valve Setting
- 4757 psi
- Cylinders
- 210 mm × 1050 mm (8.7 in × 41.3 in)
- Cylinders
- 266 mm × 685 mm (8.7 in × 27 in)
- Pilot System
- Variable displacement piston
- Relief Valve Setting
- 551 psi
- Maximum Flow
- 13.7 gal/min
Hydraulic Cycle Time (1,400-1,860 rpm)
- Rack Back
- 4.5 s
- Raise
- 8 s
- Dump
- 2.2 s
- Lower Float Down
- 3.5 s
- Total Hydraulic Cycle Time
- 18.2 s
Hydraulic System - Steering
- Steering System
- Pilot, load sensing
- Steering System
- Piston, variable displacement
- Maximum Flow
- 71.3 gal/min
- Maximum Flow at 1
- 71.3 gal/min
- Relief Valve Setting
- 4351 psi
- Total Steering Angle
- 86 °
- Steering Cycle Times
- 3.4 s
- Steering Cycle Times
- 5.6 s
Air Conditioning System
- 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 sy
Axles
- Front
- Fixed
- Rear
- Trunnion
- Oscillation Angle
- 13 °
Service Refill Capacities
- Diesel Exhaust Fluid Tank
- 8.7 gal (US)
- Diesel Exhaust Fluid Tank
- 8.7 gal (US)
- Fuel Tank
- 188 gal (US)
- Cooling System
- 31.7 gal (US)
- Coolant
- 33 gal (US)
- Crankcase
- 15.9 gal (US)
- Diesel Exhaust Fluid Tank
- 8.7 gal (US)
- Transmission
- 24.3 gal (US)
- Transmission
- 29 gal (US)
- Differential
- 49.1 gal (US)
- Differential
- 49.1 gal (US)
- Hydraulic System Factory Fill
- 125.5 gal (US)
- Hydraulic System
- 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 e
Brakes
- Brakes
- ISO 3450:2011
Operator's Cab
- ROPS
- ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Sound Performance - Tier 4 Final / Stage V
- Operator Sound Pressure Level
- 73 dB(A)
- Machine Sound Power Level
- 111 dB(A)
- Operator Sound Pressure Level
- 72 dB(A)
- Machine Sound Power Level
- 109 dB(A)
- Note
- * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”
- Note
- ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.
- Note
- 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
- 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
- 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 4 Final/EU Stage V - Standard
- Operator Sound Level
- 72 dB(A)
- Machine Sound Level
- 111 dB(A)
- Note
- 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
- 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 4 Final / Stage V - Standard
- Operator Sound Pressure Level
- 73 dB(A)
- Machine Sound Power Level
- 111 dB(A)
Sound Performance - Tier 3 / Stage IIIA
- Operator Sound Pressure Level
- 73 dB(A)
- Machine Sound Power Level
- 112 dB(A)
- Operator Sound Pressure Level
- 72 dB(A)
- Machine Sound Power Level
- 110 dB(A)
- Note
- * For machines in European Union countries and in countries that adopt the “EU Directives” and “UK Directives.”
- Note
- ** European Union Directive “2000/14/EC” as amended by “2005/88/EC” and UK Noise Regulation 2001 No. 1701.
- Note
- 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
- 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
- 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 III - Standard
- Operator Sound Pressure Level
- 73 dB(A)
- Machine Sound Power Level
- 112 dB(A)
Dimensions (Approximate) - Standard Lift Linkage
- 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
- 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
- 18 ft
- Maximum Overall Height
- 24.5 ft
- Reach
- 6.5 ft
Dimensions (Approximate) - High Lift Linkage
- 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
- 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
- 19.3 ft
- Maximum Overall Height
- 25.8 ft
- Reach
- 6.8 ft
Buckets
- Bucket Capacities
- 4.7-13 m3 (6.2-17 yd3)
Sound Performance - Tier 4 Final/Stage IV - Standard
- Machine Sound Level
- 111 dB(A)
- Operator Sound Level
- 72 dB(A)
Sound Performance - Tier 4 Final/Stage IV: Suppression
- Operator Sound Level
- 72 dB(A)
- Machine Sound Level
- 109 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Standard
- Machine Sound Level
- 112 dB(A)
- Operator Sound Level
- 73 dB(A)
Sound Performance - Tier 2 Equivalent/Stage II: Suppression
- Machine Sound Level
- 110 dB(A)
- Operator Sound Level
- 72 dB(A)
-
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
-
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
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