973K Track Loader

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.

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Flywheel Power
275 hp
Operating Weight
63900 lb
Capacity - General Purpose
4.2 yd3
Engine Model
Cat C9.3 ACERT

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Product Specs

Engine

Flywheel Power
275hp
Engine Model
Cat C9.3 ACERT
Net Power – ISO 9249/SAE J1349
275hp
Net Power – ISO 9249/SAE J1349 (DIN)
278hp
Note
All nonroad Tier 4 Interim and Final, Stage IIIB and IV 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 ULSD. B20 should meet ASTM D74
Note
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.
Emissions
Tier 4 Final/Stage IV/Korea Tier 4
Flywheel Power
275mm H2O
Engine Model
Cat C9.3 ACERT
Net Power - ISO 9249/SAE J1349
275mm H2O
Note (1)
All nonroad Tier 4 Interim and Final, Stage IIIB and IV 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 ULSD. B20 should meet ASTM D74
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.
Emissions
Tier 4 Final/Stage IV/Korea Tier 4

Weights

Operating Weight
63900lb
Operating Weight – Waste Handler
64319lb
Operating Weight – Wide Gauge
71218lb
Operating Weight – Steel Mill
72102lb
Operating Weight
63900lb
Operating Weight - Wide Gauge
71218lb

Buckets

Capacity - General Purpose
4.2yd3
Capacity – Performance Series
5.0yd3
Capacity – Multi-Purpose
4.0yd3
Capacity – Landfill
6.4yd3
Capacity – Slag
4.0yd3
Width – General Purpose
117in
Width – Performance Series
117in
Width – Multi-Purpose
116in
Width – Landfill
117in
Width – Slag
112in
Capacity - General Purpose
4.2yd³
Capacity - Landfill
6.4yd³
Capacity - Multi-Purpose
4yd³
Capacity - Slag
4yd³

Undercarriage

Track Shoe Width – Standard
21.6in
Track Shoe Width – Optional
26.6in
Track Shoe Width – Wide Gauge
32.7in
Track Rollers/Shoes – Each Side
7/40
Track on Ground
115.3in
Ground Contact Area*: Standard Shoe – 550 mm (21.6 in)
5673in2
Ground Contact Area*: Optional Shoe – 675 mm (26.6 in)
6960in2
Ground Contact Area*: Wide Gauge – 830 mm (32.7 in)
8572in2
Ground Pressure*: Standard Shoe – 550 mm (21.6 in)
11.3psi
Ground Pressure*: Optional Shoe – 675 mm (26.6 in)
9.3psi
Ground Pressure*: Wide Gauge – 830 mm (32.7 in)
8.3psi
Grouser Height – Double Grouser
1.92in
Track Gauge
85in
Note
*ISO 16754:2008.
Track on Ground
115.3in
Ground Contact Area* - Optional Shoe - 675 mm (26.6 in)
6960in²
Ground Contact Area* - Standard Shoe - 550 mm (21.6 in)
5673in²
Ground Contact Area* - Wide Gauge - 830 mm (32.7 in)
8572in²
Track Shoe Width - Optional
26.6in
Track Shoe Width - Standard
21.6in
Track Shoe Width - Wide Gauge
32.7in
Track Gauge
85in
Grouser Height - Double Grouser
1.92in
Note
*ISO 16754:2008.

Service Refill Capacities

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

Dimensions

Overall Machine Width without Bucket/Standard Tracks – 550 mm (21.6 in) Shoes
106.7in
Ground Clearance
18.5in
Machine Height to Top of Cab
138.2in
Overall Machine Length*
298.4in
Carry Position Approach Angle
15°
Digging Depth*
6.2in
Maximum Rollback at Ground/Carry Position
43°/47°
Bucket Height in Carry Position
19in
Reach at Full Lift Height and 45° Dump*
53.8in
Clearance at Full Lift Height and 45° Dump*
116.2in
Maximum Rollback/Dump, Fully Raised
59°/49°
Grading Angle
85°
Height to Bucket Hinge Pin
166.1in
Overall Machine Height, Bucket Fully Raised
226.5in
Height to Top of the Stack
120.8in
Ramp Angle
29°
Note
*With General Purpose bucket and heavy duty teeth.
Ground Clearance
18.5in
Height - Bucket Hinge Pin
166.1in
Height - Top of Stack
120.8in
Note
*With General Purpose bucket and heavy duty teeth.
Overall Machine Height - Bucket Fully Raised
226.5in
Ramp Angle
29°

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 1.89 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes.
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.89 kg of refrigerant which has a CO2 equivalent of 2.717 metric tonnes.