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988K Wheel Loader
POWERFUL EFFICIENCY
LONG TERM VALUE AND DURABILITY
PROVEN RELIABILITY
PERFORMANCE AND PRODUCTIVITY
OPERATOR COMFORT AND CONTROL
PRODUCTIVITY WITH TECHNOLOGY
SAVE ON SERVICE AND MAINTENANCE
TOP-TIER SERVICE AND SUPPORT
SAFETY FIRST
REDUCE ENVIRONMENTAL IMPACT
EFFICIENT EQUIPMENT MATCH
ATTACHMENTS TO MEET YOUR NEEDS
PERFORMANCE WITH LESS FUEL
| Engine | |
|---|---|
| Net Power | 403 kW (541 HP) |
| Engine Model | Cat® C18 ™ |
| Bore | 145 mm (5.7 in) |
| Stroke | 183 mm (7.2 in) |
| Displacement | 18.1 l (1105 inu00b3) |
| Torque Rise | 58 % (58 %) |
| Rated Speed | 1700/min |
| Peak Torque - 1,200 rpm | 2852 N·m (2104 lb/ft) |
| Net Power - SAE J1349 | 403 kW (541 HP) |
| Peak Power Speed | 1500/min |
| Peak Power Speed - 1,500 rpm - Gross - ISO 14396 | 432 kW (580 HP) |
| Gross - ISO 14396 | 432 kW (580 HP) |
| Peak Power Speed - 1,500 rpm - Gross - SAE J1995 | 439 kW (588 HP) |
| Emissions | U.S. EPA Tier 4 Final/EU Stage V OR Tier 3/Stage IIIA Equivalent OR Tier 2/Stage II Equivalent |
| Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 | 403 kW (541 HP) |
| Operating Specifications | |
|---|---|
| Operating Weight | 51062 kg (112574 lb) |
| Bucket Capacity Range | 4.7-13 m3 (6.2-17 yd3) |
| Rated Payload - Quarry Face | 11.3 t (12.5 t) |
| Cat Truck Match - High Lift | 773uff5e775 |
| Rated Payload - Loose Material | 14.5 t (16 t) |
| Cat Truck Match - Standard | 770uff5e772 |
| Transmission | |
|---|---|
| Transmission Type | Cat-Planetenlastschaltgetriebe |
| 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 - Reverse 2 | 14.3 km/h (8.9 mile/h) |
| Direct Drive - Reverse 3 | 25.5 km/h (15.8 mile/h) |
| Direct Drive - Forward 2 | 12.5 km/h (7.8 mile/h) |
| Direct Drive - Reverse 1 | 8 km/h (5 mile/h) |
| Direct Drive - Forward 1 | Lock-up disabled |
| Direct Drive - Forward 3 | 22.3 km/h (13.9 mile/h) |
| Direct Drive - Forward 4 | 39.3 km/h (24.4 mile/h) |
| Hydraulic System - Lift/Tilt | |
|---|---|
| Maximum Flow | 52 l/min (13.7 gal/min) |
| Maximum Flow at 1,400-1,860 rpm | 580 l/min (153 gal/min) |
| Lift/Tilt System | Variable displacement piston |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 269 mm u00d7 685 mm (8.7 in u00d7 27 in) |
| Relief Valve Setting - Main | 3800 kPa (551 psi) |
| Relief Valve Setting - Lift/Tilt | 32800 kPa (4757 psi) |
| Pilot System | Variable displacement piston |
| Cylinders, Double Acting - Lift, Bore and Stroke | 210 mm u00d7 1050 mm (8.7 in u00d7 41.3 in) |
| Lift/Tilt System - Circuit | EH- Positive Flow Control, Flow Sharing |
| Service Refill Capacities | |
|---|---|
| Fuel Tank | 712 l (188 gal (US)) |
| Cooling System | 120 l (31.7 gal (US)) |
| Crankcase | 60 l (15.9 gal (US)) |
| Transmission | 120 l (31.7 gal (US)) |
| Hydraulic System - Tank Only | 240 l (63.4 gal (US)) |
| Differential - Final Drives - Rear | 186 l (49.1 gal (US)) |
| Hydraulic System Factory Fill | 475 l (125.5 gal (US)) |
| Diesel Exhaust Fluid Tank (For Tier 4 Final/Stage IV Only) | 33 l (8.7 gal (US)) |
| Differential - Final Drives - Front | 186 l (49.1 gal (US)) |
| Buckets | |
|---|---|
| Bucket Capacities | 4.7-13 m3 (6.2-17 yd3) |
| Axles | |
|---|---|
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | 13 u00b0 |
| Brakes | |
|---|---|
| Brakes | SAEu00a0J1473u00a0OKT90, ISOu00a03450:1992 |
| Hydraulic System - Steering | |
|---|---|
| Steering System - Pump | Piston, variable displacement |
| Total Steering Angle | 86 u00b0 |
| Maximum Flow | 270 l/min (71.3 gal/min) |
| Relief Valve Setting - Steering | 30000 kPa (4351 psi) |
| Steering Cycle Times - High Idle | 3.4 s (3.4 s) |
| Steering System - Circuit | Pilot, load sensing |
| Steering Cycle Times - Low Idle | 5.6 s (5.6 s) |
| Hydraulic Cycle Time (1,400-1,860 rpm) | |
|---|---|
| Total Hydraulic Cycle Time - Empty Bucket | 18.2 s (18.2 s) |
| Lower Float Down | 3.5 s (3.5 s) |
| Rack Back | 4.5 s (4.5 s) |
| Raise | 8 s (8 s) |
| Dump | 2.2 s (2.2 s) |
| Sound Performance - Tier 4 Final/Stage IV - Standard | |
|---|---|
| Operator Sound Level (ISO 6396) | 72 dB(A) (72 dB(A)) |
| Machine Sound Level (ISO 6395) | 111 dB(A) (111 dB(A)) |
| Sound Performance - Tier 4 Final/Stage IV: Suppression | |
|---|---|
| Machine Sound Level (ISO 6395) | 109 dB(A) (109 dB(A)) |
| Operator Sound Level (ISO 6396) | 72 dB(A) (72 dB(A)) |
| Sound Performance - Tier 2 Equivalent/Stage II: Suppression | |
|---|---|
| Operator Sound Level (ISO 6396) | 72 dB(A) (72 dB(A)) |
| Sound Performance - Tier 2 Equivalent/Stage II: Standard | |
|---|---|
| Machine Sound Level (ISO 6395) | 112 dB(A) (112 dB(A)) |
| Sound Performance - Tier 2 Equivalent/Stage II: Suppression | |
|---|---|
| Machine Sound Level (ISO 6395) | 110 dB(A) (110 dB(A)) |
| Service Refill Capacities | |
|---|---|
| Coolant (Validated by Test Cell Fill Quantities) | 125 l (33 gal (US)) |
| Transmission - Validated by Test Cell Fill Quantities | 110 l (29 gal (US)) |
| Sound Performance - Tier 2 Equivalent/Stage II: Standard | |
|---|---|
| Operator Sound Level ( ISO 6396) | 73 dB(A) (73 dB(A)) |
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
- Starter emergency 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 Detect 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, Cat Comfort (cloth), air suspension, six-way adjustable
- 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, 731 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
- Engine block heater 120V or 240V
- 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
- MISCELLANEOUS ATTACHMENTS
- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)
- Cold Weather Starting (extra starter plus two batteries)
- Aggregate Handler