At a glance data:
Net Power - SAE J1349:2011:
538hp
Engine Model:
Cat® C18 ™
Engine Power - ISO 14396:2002:
580hp
Gross Power - SAE J1995:2014:
588hp
Overview
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 lower cost per ton.
Introduced in 1963, the 988 has been the industry leader for over 60 years, built on a legacy of reliability, performance, safety, operator comfort, serviceability, and productivity. The 988 XE brings improved sustainability and maximum efficiency to this machine platform.
Engine
Net Power - SAE J1349:2011:
538hp
Engine Model:
Cat® C18 ™
Engine Power - ISO 14396:2002:
580hp
Gross Power - SAE J1995:2014:
588hp
Rated Speed:
1,700 rpm
Peak Power Speed:
1,500 rpm
Emissions:
U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014
Bore:
5.7in
Stroke:
7.2in
Displacement:
1105in³
Peak Torque - 1,200 rpm - SAE J1995:
2230ft·lbf
Torque Rise:
58%
Operating Specifications
Operating Weight:
116362lb
Operating Weight - Standard:
116362lb
Operating Weight - High Lift:
119618lb
Rated Payload - Standard (Quarry Face):
12.5ton (US)
Rated Payload - Loose Material (Standard):
16ton (US)
Bucket Capacity Range:
4.7-13 m3 (6.2-17 yd3)
Transmission
Transmission Type:
Cat switched reluctance electric drive
Forward 1 (virtual):
4.3mile/h
Forward 2 (virtual):
7mile/h
Forward 3 (virtual):
13.8mile/h
Forward 4 (virtual):
20mile/h
Reverse 1 (virtual):
4.3mile/h
Reverse 2 (virtual):
7mile/h
Reverse 3 (virtual):
17.5mile/h
Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit:
EH-Positive Flow Control, Flow Sharing
Lift/Tilt System - Pump:
Variable displacement piston
Maximum Flow at 1,400-1,600 rpm:
153gal/min
Relief Valve Setting - Lift/Tilt:
4757psi
Lift Cylinder - Bore:
8.7in
Lift Cylinder - Stroke:
41.3in
Tilt Cylinder - Bore:
8.7in
Tilt Cylinder - Stroke:
27in
Hydraulic Cycle Times
Rack Back:
4.5s
Raise:
8s
Dump:
2.2s
Lower Float Down:
3.5s
Total Hydraulic Cycle Time:
18.2s
Hydraulic System - Steering
Steering System - Circuit:
Pilot, load sensing
Steering System - Pump:
Piston, variable displacement
Maximum Flow at 1,400-1,600 rpm:
71.3gal/min
Steering Cut Off Pressure:
4351psi
Total Steering Angle:
86°
Steering Cycle Times - High Idle:
3.4s
Steering Cycle Times - Low Idle:
5.6s
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:
Fixed
Rear:
Trunnion
Oscillation Angle:
13°
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:
147gal (US)
Cooling System - Jacket Water:
30gal (US)
Cooling Systems - Power Train:
8gal (US)
Engine Crankcase:
16gal (US)
Diesel Exhaust Fluid Tank:
8.7gal (US)
Transmission:
16gal (US)
Differential - Final Drives - Front:
49gal (US)
Differential - Final Drives - Rear:
49gal (US)
Hydraulic System - Implement/Steering:
126gal (US)
Note:
All nonroad Tier 4 Final/Stage V diesel engines are required to use: – The machine has the flexibility to run on either ultra-low-sulfur diesel fuel (ULSD with 15 ppm of sulfur or less). – Cat engines are compatible with the following renewable, alternative, and biodiesel* fuels that reduce greenhouse gases: Up to B20 biodiesel (FAME) ** Up to 100% HVO and GTL renewable fuels * Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. – Cat DEO-ULS™ or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specifications are required. – Only use DEF that meets ISO 22241-1 standards.
Sound Performance - Tier 4 Final / Stage V - Standard
Operator Sound Pressure Level (ISO 6396:2008):
72dB(A)
Machine Sound Power Level (ISO 6395:2008):
109dB(A)
Sound Performance - Tier 3 / Stage III - Standard
Operator Sound Pressure Level (ISO 6396:2008):
72dB(A)
Machine Sound Power Level (ISO 6395:2008):
110dB(A)
Dimensions (Approximate) - Standard Lift
Ground to Top of ROPS:
13.8ft
Ground to Top of Exhaust Stacks:
14.8ft
Ground to Top of Hood:
10.9ft
Ground to Bumper Clearance:
3.1ft
Rear Axle - Centerline to Bumper:
10.5ft
Front Axle Centerline to Bucket Tip:
14.0ft
Wheel Base:
14.9ft
Maximum Overall Length:
39.3ft
Ground to Lower Hitch Clearance:
1.9ft
Ground to Center of Axles:
3.2ft
Clearance at Maximum Lift:
11.9ft
B-Pin Height - Maximum Lift:
18.0ft
Maximum Overall Height - Bucket Raised:
24.5ft
Reach - Maximum Lift:
6.5ft
Note:
Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
Dimensions (Approximate) - High Lift
Ground to Top of ROPS:
13.8ft
Ground to Top of Exhaust Stacks:
14.8ft
Ground to Top of Hood:
10.9ft
Ground to Bumper Clearance:
3.1ft
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
Ground to Center of Axles:
3.2ft
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
Note:
Specs are calculated with 6.9 m3 (9.0 yd3) rock bucket and Michelin XLDD2 with 978 mm (3.2 ft) centerline of rear axle height.
Dimensions - Millyard Linkage
Ground to Top of ROPS:
13.8ft
Ground to Top of Exhaust Stacks:
13.8ft
Ground to Top of Hood:
10.9ft
Ground to Bumper Clearance:
3.1ft
Rear Axle - Centerline to Bumper:
10.5ft
Front Axle Centerline to Fork Tip:
16.5ft
Wheel Base:
14.9ft
Maximum Overall Length:
41.9ft
Ground to Lower Hitch Clearance:
1.9ft
Ground to Center of Front Axle:
3.2ft
Fork Height with Level Arms:
8.1ft
Fork Top Clamp Opening:
13.1ft
Fork Height at Maximum Lift:
17.2ft
Hinge Pin Height at Maximum Lift:
16.1ft
Dump Angle at Maximum Lift:
-39.4°
Buckets
Bucket Capacities:
4.7-13 m3 (6.2-17 yd3)
Sustainability
Recyclability:
96%
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
- Jump start receptacle
- Starter lockout in bumper
- 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)
- Rimpull Control System
- Seat, Deluxe
- Seat belt minder
- Seat belt, retractable, 76 mm (3 in) wide
- STIC Control System
- UV glass
- Virtual gear indicator
- Vital Information Management System (VIMS) with Graphical Information Display: External Data Port, Customizable Operator Profiles, Cycle Timer, Integrated Payload Control System
- 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, C18 MEUI diesel, turbocharged/aftercooled
- Ground level engine shutoff
- Turbine precleaner, engine air intake
- Radiator, Aluminum Modular Radiator (AMR)
- Starting aid, ether, automatic
- Throttle lock, electronic
- Manual switch and automatic fuel priming
- Cat Production Measurement ready
- Cat switched reluctance (SR) generator/pump drive
- Cat switched reluctance (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, 555 L (147 gal)
- Hitch, drawbar with pin
- 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
- –50° C (–58° F) antifreeze
- Engine oil change system, high speed, Wiggins
- Engine block heater 120V or 240V
- High ambient cooling – software
- Cat Production Measurement
- Crankcase guard
- Engine brake, software enabled attachment (SEA)
other optional configurations
- Load and Carry
- Millyard
- Aggregate Handler
operator environment
- Cab precleaner
- Cat Detect, object detection system
- Cat Production Measurement
- Radio, AM/FM/CD/MP3 Bluetooth® with Satellite SiriusXM
- LED warning strobe
- Window pull down visor
- Handrail mounted mirrors
additional equipment
- 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
- Engine Compartment Lights
- Autolube with Auto shutoff
- High Performance LED Lighting
- Wheel Chocks
- Operator Coaching
- Tire Pressure Monitoring System
- Autodig, Tire Slip Prevention, Auto Set Tires, and Lift Stall Prevention
- Additional Counterweight
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538hp
Engine Model:
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Engine Power - ISO 14396:2002:
580hp
Gross Power - SAE J1995:2014:
588hp
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588hp
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Net Power - SAE J1349:2011:
538hp
Engine Model:
Cat® C18 ™
Engine Power - ISO 14396:2002:
580hp
Gross Power - SAE J1995:2014:
588hp