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Caterpillar 973C Track Loader

Top Performance. A machine designed to be productive over a wide range of tough applications – from heavy clearing to high-volume truck loading, from the slag pits of steel mills to big city landfills. The 973C not only can master the toughest excavation but can also finish grade with delicate precision. Reliable, durable, rugged construction, self-diagnosis of electrical and power train systems, and easy maintenance help ensure extended service life.

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Overview &
Specifications

Features
& Benefits

Standard
Equipment

Optional
Equipment

Work Tools &
Attachments

Engine

Flywheel Power	242 hp / 178 kW

Engine Model	Cat® C9 ACERT™

Net Power - Caterpillar	242 hp / 178 kW

Net Power - ISO 9249	242 hp / 178 kW

Net Power - SAE J1349	242 hp / 178 kW

Net Power - EEC 80/1269	242 hp / 178 kW

Bore	4.41 in / 112 mm

Stroke	5.87 in / 149 mm

Displacement	537 in3 / 8.8 L

Weights

Operating Weight	58142 lb / 26373 kg

Shipping Weight - without Bucket	53490 lb / 24263 kg

Buckets

Capacity - General Purpose	4.19 yd3 / 3.2 m3

Capacity - Multi-Purpose	3.79 yd3 / 2.9 m3

Bucket Width - General Purpose	112 in / 2845 mm

Bucket Width - Multi-Purpose	107 in / 2710 mm

Undercarriage

Track Shoe Type	Double Grouser, Extreme Service

Track Shoe Width - Standard	19.7 in / 500 mm

Track Shoe Width - Optional	26.6 in / 675 mm

Track Rollers - Each Side	7

Number of Shoes - Each Side	40

Track on Ground	115 in / 2930 mm

Ground Contact Area - Standard Shoe	4542 in2 / 2.93 m2

Ground Contact Area - Optional Shoe	6138 in2 / 3.96 m2

Ground Pressure - Standard Shoe	12.8 psi / 88.3 kPa

Ground Pressure - Optional Shoe	9.4 psi / 65.3 kPa

Grouser Height - Double Grouser	1.93 in / 49 mm

Track Gauge	82 in / 2080 mm

Drive System

Type	Hydrostatic drive with infinite machine speeds up to 10 km/h (6.2 mph)

Drive Pump	Two, variable-displacement, slipper-type axial piston pumps

Track Motor	Two, variable-displacement, bent axis piston motors

Relief Valve Setting	6380 psi / 44000 kPa

Hydraulic System - Equipment

Type	Vane

Output	88.5 gal/min / 335 L/min

Main Relief Valve Setting	2755 psi / 19000 kPa

Lift Cylinders - Bore	6.5 in / 165 mm

Lift Cylinders - Stroke	36.8 in / 935 mm

Tilt Cylinders - Bore	5.5 in / 140 mm

Tilt Cylinders - Stroke	24.9 in / 633 mm

Hydraulic System - Pilot

Output - maximum	3.2 gal/min / 12 L/min

Relief Valve Setting	348 psi / 2400 kPa

Cycle Time - Raise	6.7 Seconds / 6.7 Seconds

Cycle Time - Dump	5.1 Seconds / 5.1 Seconds

Cycle Time - Lower, Empty, Float Down	2.9 Seconds / 2.9 Seconds

Service Refill Capacities

Fuel Tank	113 gal / 430 L

Cooling System	11 gal / 43 L

Crankcase (with Filter)	7.66 gal / 29 L

Final Drives (each)	7.5 gal / 28.5 L

Hydraulic Tank	17.7 gal / 67 L

Pump Drive Box	1 gal / 3.8 L

Pivot Shaft	.8 gal / 3 L

Hydraulic System	44.6 gal / 169 L

Hydrostatic Drive System	21.9 gal / 83 L

Operating Specifications

Max. Travel Speed	6.2 mph / 10 km/h

Ripper Specifications

Type	Radial

Number of pockets	3

Overall Width/Beam	86 in / 2200 mm

Shank cross section	74 x 175 mm 2.9x 6.9 in

Ground Clearance	26 in / 670 mm

Penetration	17 in / 428 mm

Ripping Width	78.74 in / 2000 mm

Cylinders - Bore	5 in / 127 mm

Cylinders - Stroke	14.4 in / 365 mm

Addition to Machine Length due to Ripper (in Transportation Position)	73.8 in / 1875 mm

INDIANA'S LEADING EQUIPMENT DEALER

MacAllister Machinery has 14 convenient locations throughout Indiana: Beech Grove, Bloomington, Fishers, Fort Wayne, Greensburg, Indianapolis (HQ, Power Systems), Indianapolis (West), Lafayette, Muncie, Richmond, South Bend, Terre Haute, and Washington.

Headquarters: 7515 E 30th St, Indianapolis, IN 46219
Phone: (317) 545-2151 In-State Toll Free: (800) 382-1896 Out of State Toll Free: (800) 227-3228