Caterpillar 973K Steel Mill Crawler Loader
Dimensions
Dimensions
Ground Clearance 1.55ft in
Overall Machine Width With Slag Bucket: Steel Mill Tracks - 500 Mm (19.7 In) 116.5in
Overall Machine Width Without Bucket: Steel Mill Tracks - 500 Mm (19.7 In) Shoes 107.9in
Ramp Angle 29 degrees
Reach At Full Lift Height And 45 Degrees Dump* 53.8in
Grading Angle 85 degrees
Overall Machine Height - Bucket Fully Raised 226.5in
Overall Machine Length* 298.4in
Bucket Height - Carry Position 19in
Carry Position Approach Angle 15 degrees
Height - Bucket Hinge Pin 166.1in
Height - Top Of Stack 120.8in
Height To Top Of The Seat With Headrest 117.6in
Length - Front Of Track 209.6in
Clearance At Full Lift Height And 45 Degrees Dump* 116.2in
Machine Height - Top Of Cab 140in
Maximum Rollback - Ground/Carry Position 43 degrees/47 degrees
Maximum Rollback/Dump - Fully Raised 59 degrees/49 degrees
Digging Depth* 6.2in
Note: With General Purpose bucket Performance with heavy duty teeth. Dimensions vary with bucket. Refer to Operating Specifications chart.<ul><li>Machine Height to Top of Cab is with Steel Mill plate.</li></ul>
Undercarriage
Track Gauge 7.09ft in
Track Shoe Width - Standard 19.7in
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) 14.4 psi
Grouser Height - Double Grouser 1.9in
Link Pitch 8.5in
Number Of Shoes - Each Side 40
Track On Ground 115.4in
Track Rollers - Each Side 7
Track Shoe Type Heavy Duty Sealed and Non Lubricated - Steel Mill, Double Grouser
Note: Calculated using Steel Mill operating weight with Slag Bucket.
Specifications
Engine
Emissions U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4
Engine Model Cat C9.3 ACERT
Flywheel Power 275hp
Engine Power - Maximum - Iso 14396 306hp
Engine Power - Maximum - Sae J1995 310hp
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 blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214). Cat DEO-ULS or oils that meet the Cat ECF-3, API CJ-4, and ACEA E9 specification are required. Consult your OMM for further machine specific fuel recommendations.
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.
Operational
Operating Weight 74293lb
Weights
Operating Weight - Steel Mill 74293lb
Shipping Weight - Steel Mill 63097lb
Note: Steel Mill weights are with new slag bucket.
Buckets
Capacity - General Purpose 4yd3
Width - Slag 112in
Capacity - Slag 4yd3
Service Refill Capacities
Cooling System 11.6gal
Fuel Tank 101.5gal
Def Tank 9.2gal
Standards
Brakes Brakes meet the standard ISO 10265:2008.
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.
Cab - Declared Dynamic Operator Sound Pressure Level: <ul><li>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 different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows closed.</li><li>NOTE: The dynamic operator sound pressure level uncertainty is 2 dB(A).</li></ul>
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 may vary at different engine cooling fan speeds.
Sound Level Information (Eu): <ul><li>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). The measurements were conducted at 80 percent of the maximum engine cooling fan speed. The sound level may vary at different engine cooling fan speeds. The cab was properly installed and maintained. The measurements were conducted with the cab doors and the cab windows closed.</li><li>NOTE: The dynamic operator sound pressure level uncertainty is 2 dB(A).</li><li>If equipped, the certification label is used to verify the environmental sound certification of the machine to the requirements of the European Union. The value that is listed on the label indicates the guaranteed exterior sound power level (LWA) at the time of manufacture for the conditions that are specified in "2000/14/EC."</li></ul>
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.
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