990K Millyard Arrangement Wheel Loader

Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely. The 990K Millyard Arrangement is designed to meet the demands of millyard applications. The features of the 990K Millyard work together to provide a durable and reliable machine to meet the needs of the modern millyard.

Engine

Net Power: 699 hp
Engine Model: Cat® C27 ACERT™
Bore: 5.4 in
Stroke: 6.0 in
Displacement: 1649.5 in3
Torque Rise: 18.0 %
Rated Speed: 1,800 rpm
Net Power – SAE J1349: 699 hp
Emissions: U.S. EPA Tier 4 Final or Tier 2 equivalent
Gross (ISO 14396): 752 hp
Peak Torque @ 1,200 rpm: 2624 lbf-ft
Rated Speed: Gross (ISO 14396): 752 hp
Rated Speed: Gross (SAE J1995): 766 hp
Rated Speed: Net Power – SAE J1349 (High Ambient): 648 hp
Rated Speed: Net Power – SAE J1349 (Standard Ambient): 699 hp

Operating Specifications

Operating Weight: 202398 lb
Tipping Load – Straight: 92990 lb
Tipping Load – Articulated 35°: 81896 lb

Transmission

Transmission Type: Cat planetary power shift
Forward 1: 4.5 mph
Forward 2: 8.3 mph
Forward 3: 14.2 mph
Reverse 1: 4.9 mph
Reverse 2: 9.1 mph
Reverse 3: 15.5 mph
Direct Drive Forward 1: Lock-up disabled
Direct Drive Forward 2: 8.5 mph
Direct Drive Forward 3: 15.2 mph
Direct Drive Reverse 1: 5.4 mph
Direct Drive Reverse 2: 9.6 mph
Direct Drive Reverse 3: 16.4 mph
Note: Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Hydraulic System – Lift/Tilt

Cylinders, Double Acting: Lift, Bore and Stroke: 254 mm × 1264 mm (10.0 in × 49.8 in)
Cylinders, Double Acting: Tilt, Bore and Stroke: 317.5 mm × 819 mm (12.5 in × 32.2 in)
Lift/Tilt System: Variable displacement piston
Maximum Flow at 1,800 rpm: 216 gal/min
Maximum Flow at 1,800 rpm: 22.2 gal/min
Pilot System: Open loop and pressure reducing
Relief Valve Setting: 507 psi
Lift/Tilt System – Circuit: Positive flow control
Relief Valve Setting – Lift/Tilt: 4786 psi

Hydraulic Cycle Time

Raise: 9.4 Seconds
Dump: 2.9 Seconds
Rack Back: 4.8 Seconds
Lower: 3.7 Seconds
Lower Float Down: 3.6 Seconds

Service Refill Capacities

Fuel Tank: 294.3 gal
Cooling System: 54.9 gal
Transmission: 29.1 gal
Differentials and Final Drives – Front: 71.6 gal
Differentials and Final Drives – Rear: 68.9 gal
Engine Crankcase: 20.0 gal
Hydraulic System Factory Fill: 210.0 gal
Hydraulic Tank (Implement and Hydraulic Fan): 68.9 gal
Hydraulic Tank (Steering and Braking): 34.9 gal

Axles

Front: Fixed
Rear: Trunnion
Oscillation Angle: 8.5°

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: 4641 psi
Maximum Flow @ 1,400 rpm: 94.5 gal/min
Total Steering Angle: 70°

Sound Performance – Standard

Machine Sound Level (ISO 6395:2008): 115 dB(A)
Operator Sound Level (ISO 6396:2008): 69 dB(A)

Sound Performance – Suppression

Machine Sound Level (ISO 6395:2008): 113 dB(A)
Operator Sound Level (ISO 6396:2008): 69 dB(A)

Forks

Fork End Area: 78 ft2

Dimensions – Millyard Linkage (Approximate)

Ground to Top of ROPS: 17.2 ft
Ground to Top of Exhaust Stack: 16.6 ft
Ground to Top of Hood: 12.7 ft
Ground to Bumper Clearance: 3.1 ft
Rear Axle Center Line to Bumper: 12.5 ft
Front Axle Center Line to Fork Tip: 17.6 ft
Wheelbase: 15.1 ft
Maximum Overall Length: 45.4 ft
Ground to Lower Hitch Clearance: 2.0 ft
Ground to Center of Front Axle: 3.9 ft
Fork Height with Level Arms: 8.9 ft
Fork Top Clamp Opening: 12.3 ft
Fork Height at Maximum Lift: 18.3 ft
Hinge Pin Height at Maximum Lift: 19.4 ft
Dump Angle at Maximum Lift: 29.3 degrees

OPERATOR ENVIRONMENT
- Air conditioner and heater with automatic temperature control
- Cab, sound-suppressed pressurized, protective structure (ROPS/FOPS), radio ready for (entertainment) includes antenna, speakers and converter (12V, 10-15 amp)
- 12V power port for mobile phone or laptop connection
- Camera, rear vision
- Cigar lighter and ashtray
- Coat hook
- Electro-hydraulic tilt and lift controls (seat mounted)
- Flip-up armrest
- Heater and defroster
- Horn, electric
- Implement hydraulic lockout
- Instrumentation, gauges: – Engine coolant temperature – Fuel level – Ground speed – Gear – Hydraulic oil temperature – Speedometer/tachometer – Torque converter temperature
- Instrumentation, warning indicators: – Action alert system, three category – Automatic transmission model enable status – Brake malfunction – Bucket float status – Delayed engine shutdown status – Engine idle shutdown status – Engine malfunction – Fuel economy mode enable status – Hydraulic lockout – Lockup clutch enable status – Low fuel level – Parking brake status – Rimpull control enable status – Seatbelt warning – Secondary steering (if equipped) – Throttle lock status – Transmission gear
- Keypad, control with indicator lights: – Auto trans mode speed range – Auto/manual transmission mode – Fuel economy mode – Implement kickout – Lockup clutch – Reduced rimpull – Throttle lock
- Light, dome (cab)
- Lunchbox and beverage holders
- Mirrors, rearview (externally mounted)
- Seat, Cat comfort (cloth) air suspension
- Seat belt, retractable, 76 mm (3 in) wide
- STIC control system with steering lock
- Tinted glass
- Trainer seat with lap belt
- Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles, cycle timer, and integral Payload Control System (PCS): – Wet-arm wipers/washers (front, rear and corner) intermittent front wiper
POWER TRAIN
- Brakes, full hydraulic, enclosed, oil-disc
- Axle-shaft oil-disc service brake
- Electro hydraulic parking brake
- Case drain filters
- Cat clean emission module (Tier 4 Final only)
- Demand fan
- Engine Cat C27 ACERT
- Fuel priming pump (electric)
- Ground level engine shutoff, bumper
- Mufflers (under hood) (Tier 2 only)
- Precleaner, engine air intake
- Radiator, Aluminum Modular (AMR)
- Separated cooling system
- Starting aid, (ether) manual override
- Throttle Lock
- Torque Converter, Impeller Clutch with lock-up clutch feature and rimpull control system
- Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)
ELECTRICAL
- Alarm, back-up
- Alternator, 150 amp
- Batteries, maintenance free (2 – 1,400 CCA)
- Converter, 10/15 amp, 24V to 12V
- Deutsch component connectors
- Electrical system, 24V
- Electronic transmission control
- Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
- Starter, electric
- Starter lockout in bumper
- Starting receptacle for emergency start
- Transmission lockout in bumper
OTHER
- Automatic tilt/lift kickouts electronically adjustable from cab
- Axle temperature sensor
- Battery disconnect and jump start receptacle, bumper
- Coupling, Caterpillar O-ring face seals
- Economy mode with on demand throttle
- Emergency platform egress
- Engine, crankcase, 500 hour interval with CH4
- Engine idle management features: – Auto idle kickdown – Delayed engine shutdown – Engine idle shutdown
- Fenders, steel (front)
- Guards, crankcase and power train
- Grouped/labeled lube points
- Hitch, drawbar with pin
- Hoses, Cat XT^™
- Oil sampling valves
- Positive flow control hydraulic system
- Product Link
- Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
- Stairway, left and right rear access
- Steering, load sensing
- Toe kicks
- Vandalism protection caplocks
- Venturi stack
- Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)

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 sun shade
MISCELLANEOUS ATTACHMENTS
- Front and rear roading fenders
- Fast fill fuel system (Shaw-Aero)
- Axle oscillation stop
- Heavy duty cab mounts