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988 Wheel Loader
PROVEN RELIABILITY
LONG TERM VALUE AND DURABILITY
PERFORMANCE AND PRODUCTIVITY
PERFORMANCE WITH LESS FUEL
PRODUCTIVITY WITH TECHNOLOGY
SAFETY FIRST
SAVE ON SERVICE AND MAINTENANCE
OPERATOR COMFORT AND CONTROL
PURPOSE-BUILT SPECIALTY MODELS
- BLOCK HANDLER
PURPOSE-BUILT SPECIALTY MODELS
- MILLYARD
PURPOSE-BUILT SPECIALTY MODELS
- STEEL MILL
| Engine | |
|---|---|
| Net Power - SAE J1349:2011 | 401 kW (541 HP) |
| Engine Power - ISO 14396:2002 | 432 kW (580 HP) |
| Gross Power - SAE J1995:2014 | 439 kW (588 HP) |
| 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 | 145 mm (5.7 in) |
| Stroke | 183 mm (7.2 in) |
| Displacement | 18.1 l (1105 inu00b3) |
| Peak Torque - 1,200 rpm | 3023 N·m (2230 lb/ft) |
| Torque Rise | 58 % (58 %) |
| Operating Specifications | |
|---|---|
| Operating Weight | 51062 kg (112574 lb) |
| Rated Payload - Quarry Face | 11.3 t (12.5 t) |
| Rated Payload - Loose Material | 14.5 t (16 t) |
| Bucket Capacity Range | 4.7-13 m3 (6.2-17 yd3) |
| Cat Truck Match - Standard | 770uff5e772 |
| Cat Truck Match - High Lift | 773uff5e775 |
| Transmission | |
|---|---|
| Transmission Type | Cat planetary powershift |
| Forward - 1 | 6.5 km/h (4 mile/h) |
| Forward - 2 | 11.6 km/h (7.2 mile/h) |
| Forward - 3 | 20.4 km/h (12.7 mile/h) |
| Forward - 4 | 34.7 km/h (21.6 mile/h) |
| Reverse - 1 | 7.5 km/h (4.7 mile/h) |
| Reverse - 2 | 13.3 km/h (8.3 mile/h) |
| Reverse - 3 | 23.2 km/h (14.4 mile/h) |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 2 | 12.5 km/h (7.8 mile/h) |
| Direct Drive - Forward 3 | 22.3 km/h (13.9 mile/h) |
| Direct Drive - Forward 4 | 39.3 km/h (24.4 mile/h) |
| Direct Drive - Reverse 1 | 8 km/h (5 mile/h) |
| Direct Drive - Reverse 2 | 14.3 km/h (8.9 mile/h) |
| Direct Drive - Reverse 3 | 25.5 km/h (15.8 mile/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 | 580 l/min (153 gal/min) |
| Relief Valve Setting - Lift/Tilt | 32800 kPa (4757 psi) |
| Cylinders, Double Acting - Lift, Bore and Stroke | 210 mm u00d7 1050 mm (8.7 in u00d7 41.3 in) |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 269 mm u00d7 685 mm (8.7 in u00d7 27 in) |
| Pilot System | Variable displacement piston |
| Relief Valve Setting - Main | 3800 kPa (551 psi) |
| Hydraulic Cycle Time (1,400-1,860 rpm) | |
|---|---|
| Rack Back | 4.5 s (4.5 s) |
| Raise | 8 s (8 s) |
| Dump | 2.2 s (2.2 s) |
| Lower Float Down | 3.5 s (3.5 s) |
| Total Hydraulic Cycle Time - Empty Bucket | 18.2 s (18.2 s) |
| Hydraulic System - Steering | |
|---|---|
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Maximum Flow | 270 l/min (71.3 gal/min) |
| Relief Valve Setting - Steering | 30000 kPa (4351 psi) |
| Total Steering Angle | 86 u00b0 |
| Steering Cycle Times - High Idle | 3.4 s (3.4 s) |
| Steering Cycle Times - Low Idle | 5.6 s (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 u00b0 |
| 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 | 712 l (188 gal (US)) |
| Cooling System | 120 l (31.7 gal (US)) |
| Coolant (Validated by Test Cell Fill Quantities) | 125 l (33 gal (US)) |
| Crankcase | 60 l (15.9 gal (US)) |
| Diesel Exhaust Fluid Tank | 33 l (8.7 gal (US)) |
| Transmission | 120 l (31.7 gal (US)) |
| Transmission - Validated by Test Cell Fill Quantities | 110 l (29 gal (US)) |
| Differential - Final Drives - Front | 186 l (49.1 gal (US)) |
| Differential - Final Drives - Rear | 186 l (49.1 gal (US)) |
| Hydraulic System Factory Fill | 475 l (125.5 gal (US)) |
| Hydraulic System - Tank Only | 240 l (63.4 gal (US)) |
| Sound Performance - Tier 4 Final / Stage V - Standard | |
|---|---|
| Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) (73 dB(A)) |
| Machine Sound Power Level (ISO 6395:2008) | 111 dB(A) (111 dB(A)) |
| Sound Performance - Tier 3 / Stage III - Standard | |
|---|---|
| Operator Sound Pressure Level (ISO 6396:2008) | 73 dB(A) (73 dB(A)) |
| Machine Sound Power Level (ISO 6395:2008) | 112 dB(A) (112 dB(A)) |
| Dimensions (Approximate) - Standard Lift Linkage | |
|---|---|
| Ground to Top of ROPS | 4202 mm (13.8 ft) |
| Ground to Top of Exhaust Stacks | 4521 mm (14.8 ft) |
| Ground to Top of Hood | 3334 mm (10.9 ft) |
| Rear Axle - Centerline to Bumper | 3187 mm (10.5 ft) |
| Front Axle Centerline to Bucket Tip | 4254 mm (14 ft) |
| Wheel Base | 4550 mm (14.9 ft) |
| Maximum Overall Length | 11991 mm (39.3 ft) |
| Ground to Lower Hitch Clearance | 568 mm (1.9 ft) |
| Clearance at Maximum Lift | 3641 mm (11.9 ft) |
| B-Pin Height - Maximum Lift | 5491 mm (18 ft) |
| Maximum Overall Height - Bucket Raised | 7455 mm (24.5 ft) |
| Reach - Maximum Lift | 1981 mm (6.5 ft) |
| Dimensions (Approximate) - High Lift Linkage | |
|---|---|
| Ground to Top of ROPS | 4202 mm (13.8 ft) |
| Ground to Top of Exhaust Stacks | 4521 mm (14.8 ft) |
| Ground to Top of Hood | 3334 mm (10.9 ft) |
| Rear Axle - Centerline to Bumper | 3187 mm (10.5 ft) |
| Front Axle Centerline to Bucket Tip | 4661 mm (15.3 ft) |
| Wheel Base | 4550 mm (14.9 ft) |
| Maximum Overall Length | 12398 mm (40.7 ft) |
| Ground to Lower Hitch Clearance | 568 mm (1.9 ft) |
| Clearance at Maximum Lift | 4043 mm (13.3 ft) |
| B-Pin Height - Maximum Lift | 5887 mm (19.3 ft) |
| Maximum Overall Height - Bucket Raised | 7849 mm (25.8 ft) |
| Reach - Maximum Lift | 2062 mm (6.8 ft) |
| 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