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988K Wheel Loader Steel Mill Arrangement
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
HANDLE THE HEAT
ATTACHMENTS TO MEET YOUR NEEDS
PERFORMANCE WITH LESS FUEL
| Engine | |
|---|---|
| Net Power | 403 kW (541 HP) |
| Engine Model | Cat® C18 ™ |
| Net Power - SAE J1349 | 403 kW (541 HP) |
| 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 Power Speed - 1,500 rpm - Gross - ISO 14396 | 432 kW (580 HP) |
| Gross - ISO 14396 | 432 kW (580 HP) |
| Peak Power Speed | 1500/min |
| Peak Power Speed - 1,500 rpm - Gross - SAE J1995 | 439 kW (588 HP) |
| Peak Torque - 1,200 rpm | 2852 N·m (2104 lb/ft) |
| Peak Power Speed - 1,500 rpm - Net Power - SAE J1349 | 403 kW (541 HP) |
| Emissions | Einhaltung von EPA Tieru00a04u00a0Final (USA)/Stufeu00a0V (EU), Tier-2-konform |
| Operating Specifications | |
|---|---|
| Operating Weight | 51062 kg (112574 lb) |
| Rated Payload | 11.3 t (12.5 t) |
| Rated Payload - Standard | 11.3 t (12.5 t) |
| Bucket Capacity Range | 6.4-7.6 m3 (8.3-10 yd3) |
| Cat Truck Match - Standard | 770-772 |
| Cat Truck Match - High Lift | 773-775 |
| Rated Payload - High Lift | 11.3 t (12.5 t) |
| 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 - 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 | |
|---|---|
| Pilot System | Variable displacement piston |
| Relief Valve Setting - Main | 3800 kPa (551 psi) |
| Maximum Flow | 52 l/min (13.7 gal/min) |
| Cylinders, Double Acting - Tilt, Bore and Stroke | 267 mm u00d7 685 mm (10.5 in u00d7 27.0 in) |
| Maximum Flow at 1,400-1,860 rpm | 580 l/min (153 gal/min) |
| Cylinders, Double Acting - Lift, Bore and Stroke | 210 mm u00d7 1050 mm (8.3 in u00d7 41.3 in) |
| Lift/Tilt System | Variable displacement piston |
| Lift/Tilt System - Circuit | EH- Positive Flow Control, Flow Sharing |
| Relief Valve Setting - Lift/Tilt | 32800 kPa (4757 psi) |
| Service Refill Capacities | |
|---|---|
| Fuel Tank | 686 l (181 gal (US)) |
| Cooling System | 120 l (31.7 gal (US)) |
| Crankcase | 60 l (15.9 gal (US)) |
| Transmission | 120 l (31.7 gal (US)) |
| Differential - Final Drives - Front | 186 l (49.1 gal (US)) |
| Differential - Final Drives - Rear | 186 l (49.1 gal (US)) |
| Hydraulic System - Tank Only | 240 l (63.4 gal (US)) |
| Diesel Exhaust Fluid Tank (Tier 4) | 33 l (8.7 gal (US)) |
| Hydraulic System Factory Fill | 475 l (125.5 gal (US)) |
| Buckets | |
|---|---|
| Bucket Capacities | 5.4-6.3 m3 (7.0-8.3 yd3) |
| Axles | |
|---|---|
| Front | Fixed |
| Rear | Trunnion |
| Oscillation Angle | u00b16u00b0 |
| Brakes | |
|---|---|
| Brakes | SAEu00a0J1473u00a0OKT90, ISOu00a03450:1992 |
| Hydraulic System - Steering | |
|---|---|
| Steering System - Circuit | Pilot, load sensing |
| Steering System - Pump | Piston, variable displacement |
| Relief Valve Setting - Steering | 30000 kPa (4351 psi) |
| Maximum Flow | 270 l/min (71.3 gal/min) |
| Steering Cycle Times - Low Idle | 5.6 s (5.6 s) |
| Total Steering Angle | 80 u00b0 (80 u00b0) |
| Steering Cycle Times - High Idle | 3.4 s (3.4 s) |
| Hydraulic Cycle Time (1,400-1,860 rpm) | |
|---|---|
| Rack Back | 4.5 s (4.5 s) |
| Lower Float Down | 3.5 s (3.5 s) |
| Raise | 8 s (8 s) |
| Total Hydraulic Cycle Time - Empty Bucket | 18.2 s (18.2 s) |
| Dump | 2.2 s (2.2 s) |
| Sound Performance - Standard | |
|---|---|
| Operator Sound Level (ISO 6396) | 71 dB(A) (71 dB(A)) |
| Machine Sound Level (ISO 6395) | 111 dB(A) (111 dB(A)) |
| Sound Performance - Suppression | |
|---|---|
| Operator Sound Level (ISO 6396) | 70 dB(A) (70 dB(A)) |
| Machine Sound Level (ISO 6395) | 109 dB(A) (109 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
- Transmission lockout
- 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, 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, Next Generation Modular (NGMR)
- 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
- 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
- Payload Control System (PCS)
- OPERATOR ENVIRONMENT
- Cab precleaner
- AM/FM/CD/MP3 radio
- Satellite Sirius radio with bluetooth
- LED warning strobe
- CB radio ready
- Window pull down visor
- MISCELLANEOUS ATTACHMENTS
- Front and rear roading fenders