990 Series II

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Power Train

990 Series II power train components give you the dependable performance expected from Cat wheel loaders.

Cooling System

Works with the engine to meet emissions standards as well as improve serviceability and reduce downtime.

Hydraulic System

Powerful hydraulics are the invisible force behind the loader’s muscle and flexibility.


Superior construction means superior strength.

Buckets and Bucket Match

Caterpillar buckets and Ground Engaging Tools provide the flexibility to match the machine. Proper bucket and application match delivers increased stability and peak performance.

Operator's Station

Comfort and control top quality operator's station will help maximize productivity.

Application Truck Match

Matched payloads and matched buckets ensure optimum performance.

High Lift Arrangement Optional Attachment

Offers high dump clearance and longer reach than the standard Cat 990 Series II.


Easier maintenance and enhanced serviceability gives you more time in the pile.

Complete Customer Support

Cat dealer services help you operate longer with lower costs.

990 Series II Standard Equipment

  • Alarm, back-up
  • Alternator (100-amp)
  • Batteries, maintenance-free
  • Deutsch terminal connectors
  • Diagnostic connector starting and charging system
  • Electrical System, 24-volt
  • Electronic transmission control
  • Lighting system, Halogen
  • Starter, electric
  • Starter receptacle for emergency start

Operator Environment
  • Air Conditioner
  • Cab, sound-suppressed rollover protective structure (ROPS/FOPS)
  • Cigar lighter and ashtray
  • Coat hook
  • Computerized monitoring system (EMSII)
  • Heater and defroster
  • Horn, electric
  • Indicator lights:
  • Lift and tilt function lockout
  • Light, dome (cab)
  • Lunchbox and beverage holders
  • Mirrors, rearview (exterior mounted)
  • Quick shift feature
  • Seat belt, retractable, 76 mm (3 in) wide
  • Seat, Cat Comfort, (cloth) air suspension
  • STIC control system
  • Tinted glass
  • Wet-arm Wiper/Washers

Power Train
  • Brakes, full hydraulic, enclosed, oil-disc Axle-shaft oil-disc service brake, parking/secondary brake
  • Demand fan
  • Engine, Cat 3412E DITA with ATAAC, ADEM III control and, HEUI fuel system
  • Fuel priming pump
  • Precleaner, engine air intake
  • Radiator, advanced modular cooling system (AMOCS)
  • Separated Cooling System
  • Starting aid (ether) manual override
  • Throttle lock
  • Torque converter, impeller clutch with lock-up clutch feature and rimpull control system
  • Transmission, (21 in) planetary power shift (electronic) (3F/3R)

Other Standard Equipment
  • Automatic bucket leveler
  • Automatic lift kickout
  • Axle temperature sensor
  • Engine, crankcase, 500 hour interval with Cat approved oil
  • Fenders, steel (front)
  • Grouped labeled lube points-
  • Hood, tapered
  • Hitch, drawbar with pin
  • Mufflers (under hood)
  • Oil sampling valves
  • Sight gauges for steering/fan and implement/brake
  • Stairway, left side rear access
  • Steering, load sensing
  • Step for front windshield cleaning
  • Vandalism protection caplocks
  • Venturi stack

Tires, Rims and Wheels
  • A tire must be selected from the mandatory attachments section. Base machine price includes a tire allowance.

  • Premixed 50% concentration of extended life coolant with freeze protection to -34°C (-29°F)