939C Hystat

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Offering rugged construction and outstanding reliability to allow you to maximize productivity.


Flywheel Power 90.0 hp 67.0 kW Less
Displacement 305.0 in3 5.0 L Less
Model Cat® 3046T Cat® 3046T Less
Power - Gross 99.0 hp 74.0 kW Less


Operating Weight 20908.0 lb 9484.0 kg Less

Operating Specifications

Capacity - General Purpose 1.5 yd3 1.2 m3 Less
Dump Clearance at full height and 45° discharge 105.0 in 2677.0 mm Less
SAE specified dump angle 2.83 Degrees 866.0 Degrees Less
Max Operating Height 172.6 in 4384.0 mm Less
Max rollback at carry position 50.2 Degrees 50.2 Degrees Less
Max rollback, fully raised 64.9 Degrees 64.9 Degrees Less
Reach at full length height 34.0 in 866.0 mm Less
Digging Depth 5.0 in 127.0 mm Less
Static Tipping Load (SAE) 14565.0 lb 6607.0 kg Less
Breakout Force (SAE) 20200.0 lb 89.9 kN Less


Height to top of cab 109.0 in 2766.0 mm Less
Overall Width with bucket 85.0 in 2160.0 mm Less
Overall width without bucket 77.0 in 1955.0 mm Less
Length to front of track 117.0 in 2978.0 mm Less
Overall Length 171.6 in 4359.0 mm Less
Height to bucket hinge pin 131.7 in 3346.0 mm Less


Ground Pressure 7.79 psi 53.7 kPa Less
Length of Track on Ground 84.45 in 2145.0 mm Less
Shoe Width 16.0 in 406.0 mm Less


Offering rugged construction and outstanding reliability to allow for maximum productivity.

Power Train

Quick response and acceleration plus better maneuverability decrease cycle times and increase productivity.

Hydraulic System

Improved for increased productivity

3046T Engine

Smooth, responsive power, excellent fuel economy and lasting reliability.

Hystat Control

Steering, machine direction and speed are combined into one control for enhanced operator controllability, comfort and increased productivity.

Operator Station

Ergonomically designed for your maximum comfort and productivity.

Bucket and Lift Arms

Designed and built for unmatched versatility, durability, and strength.


Components designed to provide you with maximum performance and wear life.


More access and fewer maintenance requirements add up to unparalleledease of service.

Total Customer Support

When you purchase Cat equipment, you also get Caterpillar and your Cat dealer’s total commitment to customer support.

Complete Versatility

From the beginning of a job to the finish grading, the 939C Hystat Track-Type Loader is a versatile tool.

Your Cat Dealer

There is one very important component included with every Caterpillar 939C Hystat Track-Type Loader that no one else can offer: your Cat dealer.Whether you have questions about performance, service or financing, your Cat dealer has the answers. He is dedicated to helping you make the right equipment choice for your requirements.Plus, your Cat dealer has most parts you will ever need for your Cat equipment right on the shelf. If not, the dealer’s worldwide computerized network will immediately find the closest location of the part you need, minimizing your downtime.When you need more details about the 939C, contact your Cat dealer. You’ll find he’s easy to talk to. And he’s genuinely interested in talking with you.

939C Hystat Standard Equipment

Air-to-oil transmission cooler

Air cleaner, dry-type with restriction indicator

Alternator, 55-amp

Arm rests, four-way adjustable

Automatic bucket positioner and lift kick out

Battery, 12-volt, maintenance free, 900 cca with disconnect switch

Blower fan

Cat 3046, turbocharged 6 cylinder diesel engine with 12-volt direct electric key start/stop

Engine enclosures, with grip handle

Fuel/water separator

Fuel priming pump

Foot rests, adjustable

Gauges, illuminated, dash mounted showing engine coolant temperature, engine oil pressure, transmission oil temperature, and fuel level

Indicator lights:
  • Low alternator voltage
  • Transmission/hydraulic oil filter restriction
  • Parking brake
  • Rabbit speed selection

Glow plugs

Guards, bottom

Guards, recoil, full length with sprocket guards and wipers


Hydraulic controls, two-valve, single-lever bucket control

Hydraulic implement pump

Hydrostatic transmission, dual path, closed loop

Joystick control lever

Lifetime lubricated rollers and idlers


Parking brake – automatic


Pull hook, front

Retrieval hitch, rear

Seat, vinyl, suspension with adjustable backrest and 76.2 mm (3 in) seat belt

Segmented sprockets

Service hour meter

Tool box with hinged lid

  • Adjusters, hydraulic
  • Front/rear guiding guards
  • Roller frames, six roller
  • Sealed and Lubricated, two-piece master links
  • Track shoes:

Vandalism protection

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
Financing & Insurance

You can count on Cat Financial to provide the best financial solutions, built just for you.

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