988

Net Power - SAE J1349:2011: 538 hp / 401 kW
Engine Power - ISO 14396:2002: 580 hp / 432 kW
Gross Power - SAE J1995:2014: 588 hp / 439 kW

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.

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988 Product Brochure 988 Key Features 988 Technical Specifications (Global)

Specifications
Equipment
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Engine
Net Power - SAE J1349:2011	538 hp / 401 kW
Engine Power - ISO 14396:2002	580 hp / 432 kW
Gross Power - SAE J1995:2014	588 hp / 439 kW
Engine Model	Cat® C18 ™
Peak Power Speed	1500/rpm
Rated Speed	1700/min
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
Bore	5.7 in / 145 mm
Stroke	7.2 in / 183 mm
Displacement	1105 in³ / 18.1 l
Peak Torque - 1,200 rpm	2230 lb/ft / 3023 N·m
Torque Rise	58 %

Operating Specifications
Operating Weight	112574 lb / 51062 kg
Rated Payload - Quarry Face	12.5 t / 11.3 t
Rated Payload - Loose Material	16 t / 14.5 t
Bucket Capacity Range	4.7-13 m3 (6.2-17 yd3)
Cat Truck Match - Standard	770~772
Cat Truck Match - High Lift	773~775

Transmission
Transmission Type	Cat planetary powershift
Forward - 1	4 mile/h / 6.5 km/h
Forward - 2	7.2 mile/h / 11.6 km/h
Forward - 3	12.7 mile/h / 20.4 km/h
Forward - 4	21.6 mile/h / 34.7 km/h
Reverse - 1	4.7 mile/h / 7.5 km/h
Reverse - 2	8.3 mile/h / 13.3 km/h
Reverse - 3	14.4 mile/h / 23.2 km/h
Direct Drive - Forward 1	Lock-up disabled
Direct Drive - Forward 2	7.8 mile/h / 12.5 km/h
Direct Drive - Forward 3	13.9 mile/h / 22.3 km/h
Direct Drive - Forward 4	24.4 mile/h / 39.3 km/h
Direct Drive - Reverse 1	5 mile/h / 8 km/h
Direct Drive - Reverse 2	8.9 mile/h / 14.3 km/h
Direct Drive - Reverse 3	15.8 mile/h / 25.5 km/h

Hydraulic System - Lift/Tilt
Lift/Tilt System - Circuit	EH- Positive Flow Control, Flow Sharing
Lift/Tilt System	Variable displacement piston
Maximum Flow at 1,400-1,860 rpm	153 gal/min / 580 l/min
Relief Valve Setting - Lift/Tilt	4757 psi / 32800 kPa
Cylinders, Double Acting - Lift, Bore and Stroke	210 mm × 1050 mm (8.7 in × 41.3 in)
Cylinders, Double Acting - Tilt, Bore and Stroke	269 mm × 685 mm (8.7 in × 27 in)
Pilot System	Variable displacement piston
Relief Valve Setting - Main	551 psi / 3800 kPa

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 - Empty Bucket	18.2 s

Hydraulic System - Steering
Steering System - Circuit	Pilot, load sensing
Steering System - Pump	Piston, variable displacement
Maximum Flow	71.3 gal/min / 270 l/min
Relief Valve Setting - Steering	4351 psi / 30000 kPa
Total Steering Angle	86 °
Steering Cycle Times - High Idle	3.4 s
Steering Cycle Times - Low Idle	5.6 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	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	188 gal (US) / 712 l
Cooling System	31.7 gal (US) / 120 l
Coolant (Validated by Test Cell Fill Quantities)	33 gal (US) / 125 l
Crankcase	15.9 gal (US) / 60 l
Diesel Exhaust Fluid Tank	8.7 gal (US) / 33 l
Transmission	31.7 gal (US) / 120 l
Transmission - Validated by Test Cell Fill Quantities	29 gal (US) / 110 l
Differential - Final Drives - Front	49.1 gal (US) / 186 l
Differential - Final Drives - Rear	49.1 gal (US) / 186 l
Hydraulic System Factory Fill	125.5 gal (US) / 475 l
Hydraulic System - Tank Only	63.4 gal (US) / 240 l

Sound Performance - Tier 4 Final / Stage V - Standard
Operator Sound Pressure Level (ISO 6396:2008)	73 dB(A)
Machine Sound Power Level (ISO 6395:2008)	111 dB(A)

Sound Performance - Tier 3 / Stage III - Standard
Operator Sound Pressure Level (ISO 6396:2008)	73 dB(A)
Machine Sound Power Level (ISO 6395:2008)	112 dB(A)

Dimensions (Approximate) - Standard Lift Linkage
Ground to Top of ROPS	13.8 ft / 4202 mm
Ground to Top of Exhaust Stacks	14.8 ft / 4521 mm
Ground to Top of Hood	10.9 ft / 3334 mm
Rear Axle - Centerline to Bumper	10.5 ft / 3187 mm
Front Axle Centerline to Bucket Tip	14 ft / 4254 mm
Wheel Base	14.9 ft / 4550 mm
Maximum Overall Length	39.3 ft / 11991 mm
Ground to Lower Hitch Clearance	1.9 ft / 568 mm
Clearance at Maximum Lift	11.9 ft / 3641 mm
B-Pin Height - Maximum Lift	18 ft / 5491 mm
Maximum Overall Height - Bucket Raised	24.5 ft / 7455 mm
Reach - Maximum Lift	6.5 ft / 1981 mm

Dimensions (Approximate) - High Lift Linkage
Ground to Top of ROPS	13.8 ft / 4202 mm
Ground to Top of Exhaust Stacks	14.8 ft / 4521 mm
Ground to Top of Hood	10.9 ft / 3334 mm
Rear Axle - Centerline to Bumper	10.5 ft / 3187 mm
Front Axle Centerline to Bucket Tip	15.3 ft / 4661 mm
Wheel Base	14.9 ft / 4550 mm
Maximum Overall Length	40.7 ft / 12398 mm
Ground to Lower Hitch Clearance	1.9 ft / 568 mm
Clearance at Maximum Lift	13.3 ft / 4043 mm
B-Pin Height - Maximum Lift	19.3 ft / 5887 mm
Maximum Overall Height - Bucket Raised	25.8 ft / 7849 mm
Reach - Maximum Lift	6.8 ft / 2062 mm

Buckets
Bucket Capacities	4.7-13 m3 (6.2-17 yd3)

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 (halogen, work lights, access and service platform lighting)
- Starting and charging system, 24V
- 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
- 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
- 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
- Transmission 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
- Crankcase guard
- 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
- 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
OTHER
- 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, 712 L (188 gal)
- Hitch, drawbar with pin
- Hoses, Cat XT™
- Hydraulic, steering and brake filtration/screening system
- Cat Clean Emission Module
- Oil sampling valves
- Premixed 50% 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
- High ambient cooling – software
- Cat Production Measurement
OPERATOR ENVIRONMENT
- Cab precleaner
- AM/FM/CD/MP3 radio
- Satellite Sirius radio with bluetooth
- LED warning strobe
- CB radio ready
- Window pull down visor
- Handrail mounted mirrors
ADDITIONAL EQUIPMENT
- Additional counterweight
- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)
- Cold Weather Starting (extra starter plus two batteries), engine block heater 120V or 240V, heated fuel lines
OTHER OPTIONAL CONFIGURATIONS
- Aggregate Handler

Block Handling

Cat Block Handling couplers are designed to withstand the demanding and harsh environment of block handling various applications.

Model	Width	Height	Weight
988K	78.7 in / 2000 mm	33.8 in / 858 mm	3523 lb / 1598 kg

Detect

On the surface, operators in the cabs of large mining equipment often cannot see if another machine or vehicle is too close for safe operation. Detect helps alleviate this potential safety hazard and can also be configured to provide valuable information about site conditions and other assets working in the area. Underground, continuous equipment movement on a longwall face can pose risks to those in the working area.

Model
Rear Object Detection for Wheel Loaders

Command

Combining the Fleet, Terrain, Detect and Health capabilities of Cat® MineStar™ System, Command enables you to implement remote control, semi-autonomous or fully autonomous mining equipment systems - offering unprecedented improvements in operator safety, equipment availability and site productivity.

Model
Cat Command Remote Control for Construction

Equipment Management

Cat® Equipment Management gives you access to the data you need to keep your equipment on the job site and earning money. You can track equipment location and hours, monitor machine use and health, then take informed action that will keep your operation running smoothly, efficiently and profitably.

Model
VisionLink®
Cat Inspect
Cat Product Link

High Abrasion Rock

Designed for extremely abrasive applications, such as face loading shot rock and ore.

Model	Width	Bucket Linkage	GET Type
4.4m³ (5.75yd³) Iron Ore	155 in / 3940 mm	Pin-On	K130
4.7m³ (6.2yd³) Iron Ore	154 in / 3922 mm	Pin-on	K130

Coal - Performance Series

Maximum productivity in loading and stockpile applications.

Model	Width	Bucket Linkage
11.5m³ (15yd³)	162 in / 4120 mm	Pin-on
11.5m³ (15yd³)	162 in / 4120 mm	Pin-On
13m³ (17yd³)	162 in / 4120 mm	Pin-on

Slag

Designed for continuous, heavy-duty work in hot slag.

Model	Width	Bucket Linkage
5.4m³ (7yd³)	154 in / 3900 mm	Pin-on
6.4m³ (8.3yd³)	159 in / 4032 mm	Pin-on

Productivity

VisionLink® Productivity is a cloud-based application that is scalable to any size operation. Detailed Cat Production Measurement data, machine data and jobsite data are transmitted from the onboard Cat Product Link™ device directly to the web platform, for you to access wherever you are, via your mobile, tablet or desktop device.

Model
VisionLink® Productivity
VisionLink® Productivity - Dispatch for Loading

Logging Forks

Logging Forks feature two independent top clamps that close down on the tine tips.

Model	Fork Width	Width - Over Tines	Width - Between Tines
2479mm (98in)	98 in / 2489 mm	95 in / 2412 mm	95 in / 2412 mm

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