Caterpillar 973K Steel Mill Crawler Loader Specs

Category: Crawler Loaders ➔
Manufacturer: Caterpillar ➔
Model: 973K Steel Mill ➔

Air Conditioning System

Caterpillar 973K Steel Mill Crawler Loader Air Conditioning System specifications
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.

Buckets

Caterpillar 973K Steel Mill Crawler Loader Buckets specifications
Capacity - General Purpose	4 cu yd
Capacity - Slag	4 cu yd
Width - Slag	112.00 in (284.48 cm)

Dimensions

Caterpillar 973K Steel Mill Crawler Loader Dimensions specifications
Bucket Height - Carry Position	19.00 in (48.26 cm)
Carry Position Approach Angle	15 degrees
Clearance At Full Lift Height And 45 Degrees Dump*	116.20 in (295.15 cm)
Digging Depth*	6.20 in (15.75 cm)
Grading Angle	85 degrees
Ground Clearance	1.55 ft (0.47 m)
Height - Bucket Hinge Pin	166.10 in (421.89 cm)
Height - Top Of Stack	120.80 in (306.83 cm)
Height To Top Of The Seat With Headrest	117.60 in (298.70 cm)
Length - Front Of Track	209.60 in (532.38 cm)
Machine Height - Top Of Cab	140.00 in (355.60 cm)
Maximum Rollback - Ground/Carry Position	43 degrees/47 degrees
Maximum Rollback/Dump - Fully Raised	59 degrees/49 degrees
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>
Overall Machine Height - Bucket Fully Raised	226.50 in (575.31 cm)
Overall Machine Length*	298.40 in (757.94 cm)
Overall Machine Width With Slag Bucket: Steel Mill Tracks - 500 Mm (19.7 In)	116.50 in (295.91 cm)
Overall Machine Width Without Bucket: Steel Mill Tracks - 500 Mm (19.7 In) Shoes	107.90 in (274.07 cm)
Ramp Angle	29 degrees
Reach At Full Lift Height And 45 Degrees Dump*	53.80 in (136.65 cm)

Engine

Caterpillar 973K Steel Mill Crawler Loader Engine specifications
Emissions	U.S. EPA Tier 4 Final/EU Stage IV/Korea Tier 4
Engine Model	Cat C9.3 ACERT
Engine Power - Maximum - Iso 14396	306.00 hp (228.19 kw)
Engine Power - Maximum - Iso 14396 (Din)	310.00 hp (231.17 kw)
Engine Power - Maximum - Sae J1995	310.00 hp (231.17 kw)
Flywheel Power	275.00 hp (205.07 kw)
Net Power (Rated) - Iso 9249/Sae J1349	275.00 hp (205.07 kw)
Net Power (Rated) - Iso 9249/Sae J1349 (Din)	278.00 hp (207.31 kw)
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

Caterpillar 973K Steel Mill Crawler Loader Operational specifications
Operating Weight	74,293.00 lbs (33,698.78 kg)

Service Refill Capacities

Caterpillar 973K Steel Mill Crawler Loader Service Refill Capacities specifications
Cooling System	11.60 gal (43.91 l)
Def Tank	9.20 gal (34.82 l)
Fuel Tank	101.50 gal (384.18 l)

Standards

Caterpillar 973K Steel Mill Crawler Loader Standards specifications
Brakes	Brakes meet the standard ISO 10265:2008.
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></u
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.
Fops	FOPS (Falling Object Protective Structure) meets ISO 3449-2005 Level II.
Rops	ROPS (Rollover Protective Structure) offered by Caterpillar for the machine meets ROPS criteria ISO 3471:2008.
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

Undercarriage

Caterpillar 973K Steel Mill Crawler Loader Undercarriage specifications
Ground Contact Area (Iso 16754:2008): Steel Mill Shoe - 500 Mm (19.7 In)	5161 in2
Ground Pressure* (Iso 16754:2008): Steel Mill Shoe - 500 Mm (19.7 In)	14.4 psi
Grouser Height - Double Grouser	1.90 in (4.83 cm)
Link Pitch	8.50 in (21.59 cm)
Note	* Calculated using Steel Mill operating weight with Slag Bucket.
Number Of Shoes - Each Side	40
Track Gauge	7.09 ft (2.16 m)
Track On Ground	115.40 in (293.12 cm)
Track Rollers - Each Side	7
Track Shoe Type	Heavy Duty Sealed and Non Lubricated - Steel Mill, Double Grouser
Track Shoe Width - Standard	19.70 in (50.04 cm)

Weights

Caterpillar 973K Steel Mill Crawler Loader Weights specifications
Note	Steel Mill weights are with new slag bucket.
Operating Weight - Steel Mill	74,293.00 lbs (33,698.78 kg)
Shipping Weight - Steel Mill	63,097.00 lbs (28,620.35 kg)

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