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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, MILLYARD, STEEL MILL
| Engine | |
|---|---|
| Net Power - SAE J1349:2011 | 401 kW (538 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