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.
Caterpillar
990K Millyard Arrangement Wheel Loader
Overview
Photos
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990K Millyard Arrangement Large Wheel Loader
Videos
Specifications
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Engine
Spec Value Net Power 699 HP Engine Model Cat® C27 ™ Bore 5.4 in Stroke 6 in Displacement 1649.5 in³ Torque Rise 18 % Rated Speed 1,800/min Rated Speed - Gross - ISO 14396 752 HP Gross - ISO 14396 752 HP Net Power - SAE J1349 699 HP Rated Speed - Net Power - SAE J1349 - Standard Ambient 699 HP Rated Speed - Net Power - SAE J1349 - High Ambient 648 HP Peak Torque - 1,200 rpm 2624 lb/ft Rated Speed - Gross - SAE J1995 766 HP Emissions U.S. EPA Tier 4 Final or Tier 2 equivalent -
Operating Specifications
Spec Value Operating Weight 202398 lb Tipping Load - Straight 92990 lb Tipping Load - Articulated 35° 81896 lb -
Transmission
Spec Value Transmission Type Cat-Planetenlastschaltgetriebe Forward - 1 4.5 mile/h Forward - 2 8.3 mile/h Forward - 3 14.2 mile/h Reverse - 1 4.9 mile/h Reverse - 2 9.1 mile/h Reverse - 3 15.5 mile/h Direct Drive - Forward 3 15.2 mile/h Direct Drive - Forward 1 Lock-up disabled Direct Drive - Reverse 3 16.4 mile/h Direct Drive - Reverse 1 5.4 mile/h Direct Drive - Reverse 2 9.6 mile/h Direct Drive - Forward 2 8.5 mile/h Note Travel speeds based on Michelin 45/65R39 LD D2**L5 tires. -
Hydraulic System - Lift/Tilt
Spec Value Maximum Flow at 1,800 rpm (1) 216 gal/min Lift/Tilt System - Circuit Positive flow control Relief Valve Setting - Lift/Tilt 4786 psi Maximum Flow at 1,800 rpm (2) 22.2 gal/min Relief Valve Setting - Main 507 psi Pilot System Open loop and pressure reducing Lift/Tilt System Variable displacement piston Cylinders, Double Acting - Tilt, Bore and Stroke 317.5 mm × 819 mm (12.5 in × 32.2 in) Cylinders, Double Acting - Lift, Bore and Stroke 254 mm × 1264 mm (10.0 in × 49.8 in) -
Hydraulic Cycle Times
Spec Value Raise 9.4 s Dump 2.9 s Lower Float Down 3.6 s Lower 3.7 s Rack Back 4.8 s -
Service Refill Capacities
Spec Value Fuel Tank 294.3 gal (US) Cooling System 54.9 gal (US) Transmission 29.1 gal (US) Hydraulic Tank - Steering and Braking 34.9 gal (US) Differential - Final Drives - Rear 68.9 gal (US) Engine Crankcase 20 gal (US) Differential - Final Drives - Front 71.6 gal (US) Hydraulic Tank - Implement and Hydraulic Fan 68.9 gal (US) Hydraulic System Factory Fill 210 gal (US) -
Axles
Spec Value Front Fixed Rear Trunnion Oscillation Angle 8.5° -
Brakes
Spec Value Brakes SAE J1473 OKT90, ISO 3450:1992 -
Hydraulic System - Steering
Spec Value Relief Valve Setting - Steering 4641 psi Maximum Flow at 1,400 rpm 94.5 gal/min Steering System - Circuit Pilot, load sensing Total Steering Angle 70° Steering System - Pump Piston, variable displacement -
Sound Performance - Standard
Spec Value Machine Sound Level (ISO 6395:2008) 115 dB(A) Operator Sound Level (ISO 6396:2008) 69 dB(A) -
Sound Performance - Suppression
Spec Value Operator Sound Level (ISO 6396:2008) 69 dB(A) Machine Sound Level (ISO 6395:2008) 113 dB(A) -
Dimensions - Millyard Linkage - Approximate
Spec Value Ground to Top of Exhaust Stacks 16.6 ft Fork Height at Maximum Lift 18.3 ft Ground to Top of Hood 12.7 ft Ground to Top of ROPS 17.2 ft Fork Top Clamp Opening 12.3 ft Maximum Overall Length 45.4 ft Ground to Lower Hitch Clearance 2 ft Ground to Bumper Clearance 3.1 ft Fork Height with Level Arms 8.9 ft Front Axle Centerline to Fork Tip 17.6 ft Rear Axle - Centerline to Bumper 12.5 ft Ground to Center of Front Axle 3.9 ft Hinge Pin Height at Maximum Lift 19.4 ft Wheel Base 15.1 ft Dump Angle at Maximum Lift 29.3 degrees -
Forks
Spec Value Fork End Area 78 ft²
Standard Equipment
NOTE
- Standard and optional equipment may vary. Consult your Cat dealer for details.
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
- 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)
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
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