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Piscataway Campus 732-885-5555
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988 Wheel Loader
Exterior View
Exterior View
Exterior View
Exterior View
Interior View
Interior View
Interior View

988 Wheel Loader

Engine Power – ISO 14396:2002580 hp
Engine ModelCat® C18
Rated Speed1700/rpm
Peak Power Speed1500/rpm
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Learn more about our 988 Wheel Loader

Cat® Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a low cost per ton. Introduced in 1963, the 988 has been an industry leader for 60 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988 continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency.

Engine Power - ISO 14396:2002
580hp
Engine Model
® C18" data-metric=""> Cat® C18
Rated Speed
1700/rpm
Peak Power Speed
1500/rpm
Gross Power - SAE J1995:2014
588hp
Net Power - SAE J1349:2011
538hp
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Peak Torque - 1,200 rpm
2104lbf·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 emissio
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 Weight
112574lb
Bucket Capacity Range
4.7-13 m3 (6.2-17 yd3)
Rated Payload - Quarry Face
12.5t
Rated Payload - Loose Material
16t
Cat Truck Match - Standard
770 - 772
Cat Truck Match - High Lift
773 - 775
Transmission Type
Cat planetary powershift
Forward - 1
4mile/h
Forward - 2
7.2mile/h
Forward - 3
12.7mile/h
Forward - 4
21.6mile/h
Reverse - 1
4.7mile/h
Reverse - 2
8.3mile/h
Reverse - 3
14.4mile/h
Direct Drive - Forward 1
Lock-up disabled
Direct Drive - Forward 2
7.8mile/h
Direct Drive - Forward 3
13.9mile/h
Direct Drive - Forward 4
24.4mile/h
Direct Drive - Reverse 1
5mile/h
Direct Drive - Reverse 2
8.9mile/h
Direct Drive - Reverse 3
15.8mile/h
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
153gal/min
Relief Valve Setting - Lift/Tilt
4757psi
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
551psi
Rack Back
4.5s
Raise
8s
Dump
2.2s
Lower Float Down
3.5s
Total Hydraulic Cycle Time - Empty Bucket
18.2s
Steering System - Circuit
Pilot, load sensing
Steering System - Pump
Piston, variable displacement
Maximum Flow at 1,400-1,600 rpm
71.3gal/min
Relief Valve Setting - Steering
4351psi
Total Steering Angle
86 °
Steering Cycle Times - High Idle
3.4s
Steering Cycle Times - Low Idle
5.6s
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
Front
Fixed
Rear
Trunnion
Oscillation Angle
13 °
Brakes
ISO 3450:2011
ROPS/FOPS
ROPS/FOPS meet ISO 3471:2008 and ISO 3449:2005 Level II standards
Operator Sound Pressure Level (ISO 6396:2008)
73dB(A)
Machine Sound Power Level (ISO 6395:2008)
111dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)**
109dB(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.
Operator Sound Pressure Level (ISO 6396:2008)
73dB(A)
Machine Sound Power Level (ISO 6395:2008)
112dB(A)
Operator Sound Pressure Level (ISO 6396:2008)*
72dB(A)
Machine Sound Power Level (ISO 6395:2008)**
110dB(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.
Fuel Tank
188gal (US)
Cooling System
31.7gal (US)
Coolant (Validated by Test Cell Fill Quantities)
33gal (US)
Crankcase
15.9gal (US)
Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage V Only)
8.7gal (US)
Transmission
24.3gal (US)
Transmission - Validated by Test Cell Fill Quantities
29gal (US)
Differential - Final Drives - Front
49.1gal (US)
Differential - Final Drives - Rear
49.1gal (US)
Hydraulic System Factory Fill
125.5gal (US)
Hydraulic System - Tank Only
63.4gal (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
Ground to Top of ROPS
13.8ft
Ground to Top of Exhaust Stacks
14.8ft
Ground to Top of Hood
10.9ft
Rear Axle - Centerline to Bumper
10.5ft
Front Axle Centerline to Bucket Tip
14ft
Wheel Base
14.9ft
Maximum Overall Length
39.3ft
Ground to Lower Hitch Clearance
1.9ft
Clearance at Maximum Lift
11.9ft
B-Pin Height - Maximum Lift
18ft
Maximum Overall Height - Bucket Raised
24.5ft
Reach - Maximum Lift
6.5ft
Ground to Top of ROPS
13.8ft
Ground to Top of Exhaust Stacks
14.8ft
Ground to Top of Hood
10.9ft
Rear Axle - Centerline to Bumper
10.5ft
Front Axle Centerline to Bucket Tip
15.3ft
Wheel Base
14.9ft
Maximum Overall Length
40.7ft
Ground to Lower Hitch Clearance
1.9ft
Clearance at Maximum Lift
13.3ft
B-Pin Height - Maximum Lift
19.3ft
Maximum Overall Height - Bucket Raised
25.8ft
Reach - Maximum Lift
6.8ft
Standard and optional equipment may vary. Consult your Cat dealer for details.
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
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
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
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
Standard and optional equipment may vary. Consult your Cat dealer for details.
–50° C (–58° F) antifreeze
Crankcase guard
Engine oil change system, high speed, Wiggins
High ambient cooling – software
Cat Production Measurement
Cab precleaner
LED warning strobe
Window pull down visor
Handrail mounted mirrors
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
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