988K Millyard Arrangement

Introduced in 1963, the 988 has been the industry leader for 50 years. Focused on helping our customers succeed, we have continued to build upon each new series. The 988K continues our legacy of reliability, performance, safety, operator comfort, serviceability, and efficiency. The 988K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 988K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

Engine

Net Power: 541.0 hp
Engine Model: Cat® C18 ACERT™
Net Power - SAE J1349: 541.0 hp
Bore: 5.7 in
Stroke: 7.2 in
Displacement: 1105.0 in3
Torque Rise: 58.0 %
Rated Speed: 1,700 rpm
Emissions: U.S. EPA Tier 4 Final/EU Stage IV Technology or Tier 2 Equivalent
Gross (ISO 14396): 580.0 hp
Peak Power Speed: 1,500 rpm
Peak Power Speed @ 1,500 rpm: Gross - ISO 14396: 580.0 hp
Peak Power Speed @ 1,500 rpm: Gross - SAE J1995: 588.0 hp
Peak Power Speed @ 1,500 rpm: Net Power - SAE J1349: 541.0 hp
Peak Torque @ 1,200 rpm: 2104.0 lb ft

Forks

Fork End Area: 69.0 ft2

Operating Specifications

Operating Weight: 139920.0 lb
Tipping Load - Articulated 37°: 68005.0 lb
Tipping Load - Straight: 78115.0 lb

Transmission

Transmission Type: Cat planetary power shift
Forward 1: 4.0 mph
Forward 2: 7.2 mph
Forward 3: 12.7 mph
Forward 4: 21.6 mph
Reverse 1: 4.7 mph
Reverse 2: 8.3 mph
Reverse 3: 14.4 mph
Direct Drive - Forward 1: Lock-up disabled
Direct Drive - Forward 2: 7.8 mph
Direct Drive - Forward 3: 13.9 mph
Direct Drive - Forward 4: 24.4 mph
Direct Drive - Reverse 1: 5.0 mph
Direct Drive - Reverse 2: 8.9 mph
Direct Drive - Reverse 3: 15.8 mph

Hydraulic System - Lift/Tilt

Cylinders, Double Acting: Lift, Bore and Stroke: 235 mm × 976 mm (9.25 in × 38.4 in)
Cylinders, Double Acting: Tilt, Bore and Stroke: 292 mm × 671 mm (11.5 in × 26.4 in)
Lift/Tilt System: Variable displacement piston
Maximum Flow: 13.7 gal/min
Maximum Flow at 1,400-1,860 rpm: 153.0 gal/min
Pilot System: Variable displacement piston
Relief Valve Setting: 580.0 psi
Lift/Tilt System - Circuit: EH- Positive Flow Control, Flow Sharing
Relief Valve Setting - Lift/Tilt: 4641.0 psi

Service Refill Capacities

Fuel Tank: 188.0 gal
Cooling System: 31.7 gal
Crankcase: 15.9 gal
Transmission: 31.7 gal
Differentials and Final Drives - Front: 49.1 gal
Differentials and Final Drives - Rear: 49.1 gal
Hydraulic System (tank only): 63.4 gal
Diesel Exhaust Fluid Tank: 8.7 gal
Hydraulic System Factory Fill: 125.5 gal

Dimensions - Millyard Linkage

Dump Angle at Maximum Lift: 39.4 Degrees
Fork Height at Maximum Lift: 15.3 ft
Fork Height with Level Arms: 8.1 ft
Fork Top Clamp Opening: 12.3 ft
Front Axle Center Line to Fork Tip: 15.6 ft
Ground to Bumper Clearance: 3.1 ft
Ground to Center of Front Axle: 3.2 ft
Ground to Lower Hitch Clearance: 1.9 ft
Ground to Top of Exhaust Stack: 13.8 ft
Ground to Top of Hood: 10.9 ft
Ground to Top of ROPS: 13.8 ft
Hinge Pin Height at Maximum Lift: 16.1 ft
Maximum Overall Length: 41.0 ft
Rear Axle Center Line to Bumper: 10.5 ft
Wheelbase: 14.9 ft

Axles

Front: Fixed
Rear: Trunnion
Oscillation Angle: 13°

Brakes

Brakes: SAE J1473 OCT90, ISO 3450:1992

Hydraulic System - Steering

Steering System - Circuit: Pilot, load sensing
Steering System - Pump: Piston, variable displacement
Relief Valve Setting - Steering: 4351.0 psi
Maximum Flow: 71.3 gal/min
Steering Cycle Time (high idle): 3.4 Seconds
Steering Cycle Time (low idle): 5.6 Seconds
Total Steering Angle: 74.0 Degrees

Sound Performance - Standard

Machine Sound Level (ISO 6395): 111.0 dB(A)
Operator Sound Level (ISO 6396): 71.0 dB(A)

Sound Performance - Suppression

Machine Sound Level (ISO 6395): 109.0 dB(A)
Operator Sound Level (ISO 6396): 70.0 dB(A)

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, 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
- Swing out radiator system with 6 fpi radiator cores
- Auto-reversing fan with adjustable controls and manual cycle
- Hinged, perforated side doors
- 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

POWER TRAIN
- -50° C (-58° F) antifreeze
- Engine oil change system, high speed, Wiggins
- Engine block heater 120V or 240V
- High ambient cooling - software
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
- Fast fill fuel system (Shaw-Aero)