973K Track Loader

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Save money and transport time with one rugged machine for land clearing, digging, grading, truck loading, slope work and more. Crawler loaders give you reduced ground pressure and better traction so you can start the job earlier and work longer in soft underfoot conditions. Purpose-built Waste Handler, Steel Mill and Low Ground Pressure configurations stand up to the toughest applications. This new generation of Cat® Track Loaders brings you all of this, plus improved performance and fuel efficiency.
For complete machine specifications and available configurations, please see your Cat dealer or visit www.cat.com.

Engine

Flywheel Power
275 HP
Engine Model
Cat C9.3
Net Power - ISO 9249/SAE J1349
275 HP
Net Power - ISO 9249/SAE J1349 (DIN)
278 HP
Emissions
U.S. EPA Tier 4 Final/EU Stage V/Japan 2014 (Tier 4 Final), Korea Tier 4 Final OR China Nonroad Stage III/UN ECE R96 Stage IIIA emission standards, equivalent to Tier 3/Stage IIIA
Note (1)
All nonroad Tier 4 Interim and Final, Stage IIIB, IV and V, Japan 2014 (Tier 4 Final) and Korea Tier 4 Final diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) with 15 ppm (mg/kg) of sulfur or less, or up to B20 biodiesel blended with
Note (2)
Diesel Exhaust Fluid (DEF) used in Cat Selective Catalytic Reduction (SCR) systems must meet the requirements outlined in the International Organization for Standardization (ISO) standard 22241.

Weights

Operating Weight
63900 lb
Operating Weight - Wide Gauge
71218 lb
Operating Weight - Waste Handler
64319 lb
Operating Weight - Steel Mill
74293 lb
Note (1)
Subtract approximately 295 kg / 650 lb for machines not equipped with Tier 4 Final/Stage V emissions reduction technology.

Buckets

Capacity - General Purpose
4.2 yd³
Capacity - Multi-Purpose
4 yd³
Capacity - Performance Series
5 yd³
Capacity - Landfill
6.4 yd³
Capacity - Slag
4 yd³
Width - General Purpose
117 in
Width - Multi-Purpose
116 in
Width - Performance Series
117 in
Width - Landfill
117 in
Width - Slag
112 in

Service Refill Capacities

Fuel Tank
101.5 gal (US)
DEF Tank
9.2 gal (US)

Dimensions

Overall Machine Length*
298.4 in
Machine Height - Top of Cab
138.2 in
Height - Top of Stack
120.8 in
Overall Machine Height - Bucket Fully Raised
226.5 in
Overall Machine Width without Bucket: With Standard Tracks - 550 mm (21.6 in) Shoes
106.7 in
Note
*With General Purpose bucket and heavy duty teeth.

Undercarriage

Track Gauge
85 in
Track Shoe Width - Standard
21.6 in
Track Shoe Width - Optional
26.6 in
Track Shoe Width - Wide Gauge
32.7 in
Track on Ground
115.3 in
Ground Contact Area* - Standard Shoe - 550 mm (21.6 in)
5673 in²
Ground Contact Area* - Optional Shoe - 675 mm (26.6 in)
6960 in²
Ground Contact Area* - Wide Gauge - 830 mm (32.7 in)
8572 in²
Ground Pressure* - Standard Shoe - 550 mm (21.6 in)
11.3 psi
Ground Pressure* - Optional Shoe - 675 mm (26.6 in)
9.3 psi
Ground Pressure* - Wide Gauge - 830 mm (32.7 in)
8.3 psi
Note
*ISO 16754:2008.

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 1.1 kg of refrigerant which has a CO2 equivalent of 1.573 metric tonnes.