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The Cat® 973D Track Loader is the only track loader in this size class. Furthermore, it leads the industry in operator comfort, performance and versatility. Designed to be productive, this machine will give you complete satisfaction in a wide range of tough applications in the most efficient and productive way. Its design also delivers strength and durability with excellent control and unmatched ease of operation. Discover how much more you can get with this one work force machine ...


Flywheel Power 263.0 hp 196.0 kW Less
Engine Model Cat® C9 ACERT™ Cat® C9 ACERT™ Less
Net Power - ISO 9249 263.0 hp 196.0 kW Less
Net Power - SAE J1349 263.0 hp 196.0 kW Less
Net Power - EEC 80/1269 263.0 hp 196.0 kW Less
Bore 4.41 in 112.0 mm Less
Stroke 5.86 in 149.0 mm Less
Displacement 537.0 in3 8.8 L Less
Net Power - Cat 263.0 hp 196.0 kW Less


Track Shoe Type Double Grouser, Extreme Service Double Grouser, Extreme Service Less
Track Shoe Width - Standard 21.6 in 550.0 mm Less
Track Shoe Width - Optional 26.6 in 675.0 mm Less
Track Rollers - Each Side 7 7 Less
Number of Shoes - Each Side 40 40 Less
Track on Ground 115.3 in 2930.0 mm Less
Ground Contact Area - Standard Shoe 4991.0 in2 3.22 m2 Less
Ground Contact Area - Optional Shoe 6138.0 in2 3.96 m2 Less
Ground Pressure - Standard Shoe 12.4 psi 85.5 kPa Less
Ground Pressure - Optional Shoe 10.1 psi 69.5 kPa Less
Grouser Height - Double Grouser 1.92 in 49.0 mm Less
Track Gauge 85.0 in 2160.0 mm Less

Drive System

Type Hydrostatic drive with infinite machine speeds up to 11 km/h (6.8 mph) Hydrostatic drive with infinite machine speeds up to 11 km/h (6.8 mph) Less
Drive Pump Two, variable-displacement, slipper-type axial piston pumps Two, variable-displacement, slipper-type axial piston pumps Less
Track Motor Two, variable-displacement, bent axis piston motors Two, variable-displacement, bent axis piston motors Less
Max System Pressure 6527.0 psi 45000.0 kPa Less

Hydraulic System - Implement

Cycle Time - Dump 1.4 Seconds 1.4 Seconds Less
Cycle Time - Raise 6.5 Seconds 6.5 Seconds Less
Float Down 2.7 Seconds 2.7 Seconds Less
Output - Maximum 91.4 gal/min 346.0 L/min Less
Relief Valve Setting 3988.0 psi 27500.0 kPa Less
Type Closed Center Load Sensing Closed Center Load Sensing Less

Service Refill Capacities

Fuel Tank 164.0 gal 621.0 L Less
Cooling System 11.6 gal 44.0 L Less
Crankcase (with Filter) 7.7 gal 29.0 L Less
Final Drives (each) 7.5 gal 28.5 L Less
Hydraulic system (Equipment, Power Train and Tank) 89.8 gal 340.0 L Less
Hydraulic Tank 49.9 gal 189.0 L Less
Pump Drive Box 1.0 gal 3.8 L Less
Pivot Shaft 0.8 gal 3.0 L Less

Electrical System

Type 24V DC 24V DC Less
Battery Capacity 1400 CCA 1400 CCA Less
Battery Voltage 12 12 Less
Battery Quantity 2 2 Less
Alternator 95 amp, Heavy-Duty, Brushless 95 amp, Heavy-Duty, Brushless Less


Operating Weight 61857.0 lb 28058.0 kg Less
Shipping Weight - without Bucket 55997.0 lb 25400.0 kg Less


Capacity - General Purpose 4.2 yd3 3.21 m3 Less
Capacity - Multi-Purpose 3.92 yd3 3.05 m3 Less
Bucket Width - General Purpose 114.56 in 2910.0 mm Less
Bucket Width - Multi-Purpose 112.91 in 2868.0 mm Less

Operating Specifications

Max. Travel Speed 6.8 mph 11.0 km/h Less

Ripper Specifications

Type Parallelogram Parallelogram Less
Overall Width/Beam 86.6 in 2200.0 mm Less
Shank cross section 74 x 175 mm 2.9 x 6.9 in 74 x 175 mm 2.9 x 6.9 in Less
Ground Clearance 34.96 in 888.0 mm Less
Penetration 15.6 in 397.0 mm Less
Ripping Width 72.4 in 1840.0 mm Less
Cylinders - Bore 5.1 in 130.0 mm Less
Cylinders - Stroke 9.3 in 236.0 mm Less
Addition to Machine Length due to Ripper (in Transportation Position) 23.1 in 586.0 mm Less
Number of pockets 3 3 Less
Penetration Force at ground level 22500.0 lb 100.0 kN Less
Ramp Angle 28.5 Degrees 28.5 Degrees Less
Ripper weight (with 3 shanks) 3747.8 lb 1700.0 kg Less


Brakes Brakes Brakes Less
Cab Cab Cab Less

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.9 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes. Less


Compact design ... Heavy-duty performance.


Work smart ... Move more.

Operator Station

Superior comfort keeps you productive all day long.


Extended life ... lower owning and operating costs.


Tough and durable.

Work Tools

Make more with one machine.

The All-Purpose Performer

Unmatched versatility.

Value Package

Fitted for all earthmoving tasks.


Designed with safety as the first priority.

Product Link

Efficient feature to follow and support your machine anywhere.


Partners in your business.

973DStandard Equipment

  • Alternator, 95 amps, 24 V, heavy duty brushless
  • Alarm, backup
  • Horn, electric
  • 2 Maintenance free batteries, 1,400 amps
  • Converter 24V/12V
  • Switch, main disconnect
  • Starter, electric (24V)
  • Four halogen lights, two forward facing, roof mounted; two rearward facing, integrated in A/C unit

  • Pressurized, sound suppressed, ROPS/FOPS cab
  • Cab with tinted glass and side sliding window
  • Air conditioning and heating
  • Heater, defroster with automatic temperature control
  • Seat, fabric-covered, air suspended
  • Seat-mounted controls
  • Seat belt, retractable
  • Electronic Monitoring System
  • Gauges for:
  • Electro-hydraulic implement control joystick
  • Radio ready, includes 24 to 12V converter, speakers, antenna and two 12 volts power outlets
  • Mirror rearview
  • Coat Hook
  • Adjustable armrest
  • Transmission control, Joystick or V-lever and steering pedals
  • Storage lockable compartment under armrests
  • Floor mat, rubber, heavy duty
  • Windshield washers and wipers, front and rear
  • Durable metal roof
  • Parking brake switch and "brake-on" indicator light

  • Caterpillar C9 ACERT diesel engine
  • Modular cooling system for engine air intake, oil and water
  • 24 volt electric starting
  • Electronically controlled, on-demand fan cooling system
  • Extended Life Coolant
  • Fuel priming pump electric
  • Electronic Hydrostatic Control (EHC) for transmission with travel and work modes
  • Closed Loop Hystat transmission with DSR Software
  • Muffler, under hood
  • Water separator

  • 2160 mm/85 in track gauge
  • End Section Track Guiding guards
  • Hydraulic Track Adjuster
  • EWL track (40 sections, 215 mm /8.5 in pitch)
  • Five piece sprocket track
  • Seven track rollers, lifetime lubricated
  • Conventional idlers, lifetime lubricated.
  • Oscillating track roller frames
  • Two carrier rollers per track
  • Track Master Link
  • Guard, idler

  • Sound Suppression, Exterior
  • Z-bar loader linkage
  • Load sensing variable displacement implement pump
  • Implement cylinders with integrated positioning sensors
  • Operator programmable lift and tilt kickouts
  • Engine enclosure with lockable doors (5 mm/0.2 in perforated holes)
  • Hinged radiator grill
  • 6.35 fins per inch radiator and cooler cores
  • Ecology Drains
  • Hydraulic Oil, HYDO Advanced 10
  • Cab, tilt jack, hydraulic

973DOptional Equipment

  • Beacon, rotating

  • Tank fuel, fast fill

  • Hydraulic oil, biodegradable

  • General Propose, Slag

  • Teeth, extra duty, 8
  • Teeth, penetration, 8
  • Cutting edge, bolt-on

  • Track, 500 mm (19.7 in), flat
  • Track, 500 mm (19.7 in), alternates flat and DG GR shoes
  • Track, 675 mm (26.6 in), Trap Hole
  • DBL GR

  • Guard, tilt cylinders
  • Guard, track roller

  • Radio AM/FM, CD
  • Heater, engine coolant, 120V
  • Heater, engine coolant, 240V
  • Product Link
  • Machine Security System
  • Antifreeze, -50° C (-58° F)

  • Rear protection STD
  • Rear protection HD
  • Ripper package
  • Maintenance package, deluxe
  • Lights additional, package
  • Protection, windshield, lights
  • Striker bar package
  • Counterweight package
  • Hydraulic 2W, Joystick
  • Hydraulic 3W, MP Joystick
  • Hydraulic 3W, GP Joystick
  • Hydraulic 4W, MP joystick
  • Hydraulic, 2W, 2 levers
  • Bucket GP, 3.0 m³ (3.98 yd³), package
  • Bucket MP, 2.8 m³ (3.6 yd³), package
  • Bucket GP, 3.0 m³ (3.98 yd³), package
  • Bucket GP, landfill, package
  • Bucket wide, 3.3 m³ (4.37 yd³), package
  • Bucket GP, 3.0 m³ (3.98 yd³), HD, pack
  • Bucket MP ES, 2.8 m³ (3.6 yd³), package
  • Bucket MP, landfill, package