990K (Steel Mill) Wheel Loader

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990K Wheel Loader Steel Mill Arrangement

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 at a lower cost per ton. The Cat 990 Wheel Loader has been a proven performer in steel mill applications where larger machines have typically been used. The 990K Steel Mill Arrangement brings all new levels of performance, safety, operator comfort and efficiency in pit digging and skull handling applications.
  • Standard Equipment
  • Optional Equipment
  • Specs

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 – Lock-up 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 – Lock-up 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 bucket 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

Specs

Overview

Long Name:
990K Wheel Loader Steel Mill Arrangement
Name:
990K Steel Mill Arrangement
Brand:
Caterpillar
Status:
Current

Engine

Net Power:
699 HP / 521 kW
Engine Model:
Cat® C27 ™
Bore:
5.4 in / 137.2 mm
Stroke:
6 in / 152.4 mm
Displacement:
1649.5 in³ / 27.03 l
Torque Rise:
18 % / 18 %
Rated Speed - Gross - ISO 14396:
752 HP / 561 kW
Rated Speed - Net Power - SAE J1349 - High Ambient:
648 HP / 483 kW
Rated Speed:
1800 r/min / 1800 r/min
Rated Speed - Net Power - SAE J1349 - Standard Ambient:
699 HP / 521 kW
Emissions:
Entspricht EPA Tier 4 Final/Tier 2 (USA)
Peak Torque - 1,200 rpm:
2624 lb/ft / 3557 N·m
Gross - ISO 14396:
752 HP / 561 kW
Net Power - SAE J1349:
699 HP / 521 kW
Rated Speed - Gross - SAE J1995:
766 HP / 571 kW

Operating Specifications

Operating Weight:
204693 lb / 92848 kg
Rated Payload:
17.5 t / 15.88 t
Bucket Capacity Range:
8.6 m3-9.2 m3 (11.25 yd3-12.0 yd3)
Rated Payload - Standard:
17.5 t / 15.88 t
Cat Truck Match - Standard:
773-775

Transmission

Transmission Type:
Cat-Planetenlastschaltgetriebe
Forward - 1:
4.5 mile/h / 7.3 km/h
Forward - 2:
8.3 mile/h / 13.3 km/h
Forward - 3:
14.2 mile/h / 22.9 km/h
Reverse - 1:
4.9 mile/h / 7.9 km/h
Reverse - 2:
9.1 mile/h / 14.7 km/h
Reverse - 3:
15.5 mile/h / 24.9 km/h
Direct Drive - Reverse 1:
5.4 mile/h / 8.7 km/h
Direct Drive - Reverse 2:
9.6 mile/h / 15.4 km/h
Direct Drive - Forward 2:
8.5 mile/h / 13.7 km/h
Direct Drive - Reverse 3:
16.4 mile/h / 26.4 km/h
Direct Drive - Forward 3:
15.2 mile/h / 24.5 km/h
Direct Drive - Forward 1:
Lock-up disabled

Hydraulic System - Lift/Tilt

Relief Valve Setting - Lift/Tilt:
4786 psi / 33000 kPa
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 (1):
22.2 gal/min / 84 l/min
Relief Valve Setting - Main:
507 psi / 3500 kPa
Maximum Flow at 1,800 rpm (2):
216 gal/min / 817 l/min
Lift/Tilt System - Circuit:
Positive flow control
Pilot System:
Open loop and pressure reducing
Cylinders, Double Acting - Lift, Bore and Stroke:
254 mm × 1264 mm (10.0 in × 49.8 in)

Service Refill Capacities

Fuel Tank:
294.3 gal (US) / 1114 l
Cooling System:
54.9 gal (US) / 208 l
Transmission:
29.1 gal (US) / 110 l
Differential - Final Drives - Rear:
68.9 gal (US) / 261 l
Hydraulic Tank - Steering and Braking:
34.9 gal (US) / 132 l
Differential - Final Drives - Front:
71.6 gal (US) / 271 l
Engine Crankcase:
20 gal (US) / 75.7 l
Hydraulic Tank - Implement and Hydraulic Fan:
68.9 gal (US) / 261 l
Hydraulic System Factory Fill:
210 gal (US) / 795 l

Buckets

Bucket Capacities:
8.6-9.2 m3 (11.2-12.0 yd3)

Axles

Front:
Fixed
Rear:
Trunnion
Oscillation Angle:
8.5°

Brakes

Brakes:
SAE J1473 OKT90, ISO 3450:1992

Hydraulic System - Steering

Relief Valve Setting - Steering:
4641 psi / 32000 kPa
Steering System - Pump:
Piston, variable displacement
Maximum Flow at 1,400 rpm:
94.5 gal/min / 358 l/min
Steering System - Circuit:
Pilot, load sensing
Total Steering Angle:
70°

Hydraulic Cycle Times

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

Sound Performance - Standard

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

Sound Performance - Suppression

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

Dimensions - Standard Lift - Approximate

Reach - Maximum Lift:
7.2 ft / 2193 mm
Ground to Top of ROPS:
17.2 ft / 5240 mm
Clearance at Maximum Lift:
13.4 ft / 4077 mm
Maximum Overall Length:
41.8 ft / 12733 mm
Ground to Top of Hood:
12.7 ft / 3862 mm
Wheel Base:
15.1 ft / 4600 mm

Hydraulic Cycle Times

Total Hydraulic Cycle Time - Empty Bucket:
15.9 s / 15.9 s

Dimensions - Standard Lift - Approximate

Ground to Lower Hitch Clearance:
2 ft / 596 mm
B-Pin Height - Maximum Lift:
19.2 ft / 5867 mm
Rear Axle - Centerline to Bumper:
12.5 ft / 3795 mm
Ground to Center of Front Axle:
3.9 ft / 1186 mm
Ground to Bumper Clearance:
3.5 ft / 1079 mm
Dump Angle at Maximum Lift:
47.4 degrees
Rack Back Angle - Carry:
48.8 degrees
Front Axle Centerline to Bucket Tip:
14.2 ft / 4338 mm
Rack Angle at Maximum Lift:
63.7 degrees
Maximum Overall Height - Bucket Raised:
27 ft / 8231 mm
Ground to Top of Exhaust Stacks:
16.6 ft / 5049 mm

Transmission

Note:
Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Dimensions - Standard Lift - Approximate

Rack Back Angle - Ground Level:
40.4 degrees