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973K Track Loader - Steel Mill Configuration

973K Track Loader - Steel Mill Configuration

At a Glance

Flywheel Power
275 HP
Operating Weight
74293 lb
Capacity - General Purpose
4 yd³
Engine Model
Cat C9.3 ACERT™
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Overview

Factory designed and installed features equip your track loader for the extreme heat and harsh conditions of steel mill work. Maneuverability, visibility and the breakout force needed for fast cycle times make crawler loaders a rugged and efficient choice for handling slag.

Engine

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Flywheel Power 275HP
Engine Model Cat C9.3 ACERT™
Emissions U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4
Engine Power - Maximum - SAE J1995 310HP
Engine Power - Maximum - ISO 14396 306HP
Engine Power - Maximum - ISO 14396 (DIN) 310HP
Net Power (Rated) - ISO 9249/SAE J1349 275HP
Net Power (Rated) - ISO 9249/SAE J1349 (DIN) 278HP
Note (1) Engine ratings at 1,800 rpm.
Note (2) No derating required up to 2164 m (7,200 ft) altitude.
Note (3) All nonroad Tier 4 Final, Stage IV and Korea Tier 4 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 D7467 specification (biodiesel
Note (4) 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

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Operating Weight 74293lb
Operating Weight - Steel Mill 74293lb
Shipping Weight - Steel Mill 63097lb
Note Steel Mill weights are with new slag bucket.

Buckets

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Capacity - General Purpose 4yd³
Capacity - Slag 4yd³
Width - Slag 112in

Undercarriage

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Track Shoe Type Heavy Duty Sealed and Non Lubricated - Steel Mill, Double Grouser
Track Shoe Width - Standard 19.7in
Track Rollers - Each Side 7
Number of Shoes - Each Side 40
Track on Ground 115.4in
Ground Contact Area (ISO 16754:2008): Steel Mill Shoe - 500 mm (19.7 in) 5161in²
Ground Pressure* (ISO 16754:2008): Steel Mill Shoe - 500 mm (19.7 in) 14.4psi
Grouser Height - Double Grouser 1.9in
Track Gauge 85in
Link Pitch 8.5in
Note * Calculated using Steel Mill operating weight with Slag Bucket.

Service Refill Capacities

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Fuel Tank 101.5gal (US)
Cooling System 11.6gal (US)
DEF Tank 9.2gal (US)

Air Conditioning System

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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.

Standards

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ROPS ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008.
FOPS FOPS (Falling Object Protective Structure) meets ISO 3449-2005 Level II.
Brakes Brakes meet the standard ISO 10265:2008.
Cab - Declared Dynamic Operator Sound Pressure Level
  • The declared dynamic operator sound pressure level when "ISO 6396:2008" is used to measure the value for an enclosed cab is 75 dB(A). The measurements were conducted at 80% of the maximum engine cooling fan speed. The sound level may vary at diffe
Cab - Hearing Protection Hearing protection may be needed when the machine is operated with an open operator station for extended periods, in a noisy environment or with a cab that is not properly maintained.
Cab - Labeled Sound Power Level The guaranteed exterior sound power level (LWA) is measured according to the dynamic test procedures and the conditions that are specified in "ISO 6395:2008" [111 dB(A)]. The measurements were conducted at 80% of the maximum engine cooling fan speed. The
Sound Level Information (EU)
  • Sound Level Information for Machines in European Union Countries and in Countries that Adopt the "EU Directives": The declared dynamic operator sound pressure level when "ISO 6396:2008" is used to measure the value for an enclosed cab is 75 dB(A).

Dimensions

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Overall Machine Width without Bucket: Steel Mill Tracks - 500 mm (19.7 in) Shoes 107.9in
Overall Machine Width with Slag Bucket: Steel Mill Tracks - 500 mm (19.7 in) 116.5in
Ground Clearance 18.5in
Machine Height - Top of Cab 140in
Length - Front of Track 209.6in
Overall Machine Length* 298.4in
Carry Position Approach Angle 15°
Digging Depth* 6.2in
Maximum Rollback - Ground/Carry Position 43°/47°
Bucket Height - 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 - Bucket Hinge Pin 166.1in
Overall Machine Height - Bucket Fully Raised 226.5in
Height to Top of the Seat with Headrest 117.6in
Height - Top of Stack 120.8in
Ramp Angle 29°
Note *With General Purpose bucket Performance with heavy duty teeth. Dimensions vary with bucket. Refer to Operating Specifications chart.
  • Machine Height to Top of Cab is with Steel Mill plate.