Products

Equipment

Wheel Loaders

Large Wheel Loaders

990K Steel Mill Arrangement

Large Wheel Loaders

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.

Net Power

699 hp/521 kW

Engine Model

Cat® C27 ™

Bore

5.4 in/137.2 mm

Torque Rise

18 %/18 %

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Key Features

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

Specifications

Metric | Imperial

Engine

Net Power

699 hp 521 kW

Engine Model

Cat® C27 ™

Bore

5.4 in 137.2 mm

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 J1349:2011

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

Note

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

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 gpm 84 L/min

Relief Valve Setting - Main

507 psi 3500 kPa

Maximum Flow at 1,800 rpm (2)

216 gpm 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

20.0 gal (US) 75.7 l

Hydraulic Tank - Implement and Hydraulic Fan

68.9 gal (US) 261 l

Hydraulic System Factory Fill

210.0 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

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 gpm 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

Total Hydraulic Cycle Time - Empty Bucket

15.9 s 15.9 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)

115 dB(A) 115 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

Ground to Lower Hitch Clearance

2.0 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

27.0 ft 8231 mm

Ground to Top of Exhaust Stacks

16.6 ft 5049 mm

Rack Back Angle - Ground Level

40.4 degrees

Equipment

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)