CAT 973K Crawler Loader Specs, Weight & Dimensions

Contents

Dimensions

1. Overall Width w/o Bucket – Standard Tracks, 21.6 in (550 mm) Shoes	106.7 in (2710 mm)
1. Overall Width w/o Bucket – Optional Tracks, 26.6 in (675 mm) Shoes	111.6 in (2835 mm)
1. Overall Width w/o Bucket – Wide Gauge Tracks, 32.7 in (830 mm) Shoes	123.8 in (3145 mm)
2. Ground Clearance	18.5 in (469 mm)
3. Machine Height to Top of Cab	138.2 in (3510 mm)
4. Length to Front of Track	209.6 in (5323 mm)
5. Overall Machine Length*	298.4 in (7579 mm)
6. Carry Position Approach Angle	15°
7. Digging Depth*	6.2 in (158 mm)
8. Maximum Rollback at Ground	43°
9. Maximum Rollback in Carry Position	47°
10. Bucket Height in Carry Position	19 in (483.5 mm)
11. Reach at Full Lift Height and 45° Dump*	53.8 in (1366 mm)
12. Clearance at Full Lift Height and 45° Dump*	116.2 in (2952 mm)
13. Maximum Rollback, Fully Raised	59°
14. Maximum Dump, Fully Raised	49°
15. Height to Bucket Hinge Pin	166.1 in (4218 mm)
16. Overall Machine Height, Bucket Fully Raised	226.5 in (5752 mm)
17. Height to Top of the Seat with Headrest	117.6 in (2988 mm)
18. Height to Top of the Stack	120.8 in (3069 mm)
19. Ramp Angle	29°
Grading Angle	85°

Note: *With General Purpose bucket with heavy duty teeth.

CAT 973K Shoes	Standard	Optional	Wide Gauge
Track Shoe Size	21.6 in (550 mm)	26.6 in (675 mm)	32.7 in (830 mm)
Track Shoe Type	Double Grouser, Extreme Service	Double Grouser, Extreme Service	Double Grouser, Extreme Service
Number of Shoes Per Side	40	40	40
Number of Track Rollers Per Side	7	7	7
Length Of Track On Ground	115.3 in (2930 mm)	115.3 in (2930 mm)	115.3 in (2930 mm)
Ground Contact Area	5673 in2 (3.66 m2)	6960 in2 (4.49 m2)	8572 in2 (5.53 m2)
Ground Pressure	11.3 psi (77.6 kPa)	9.3 psi (64.4 kPa)	8.3 psi (57.3 kPa)
Grouser Height	1.9 in (49 mm)	1.9 in (49 mm)	1.9 in (49 mm)
Link Pitch	8.5 in (216 mm)	8.5 in (216 mm)	8.5 in (216 mm)
Track Gauge	85 in (2160 mm)	85 in (2160 mm)	85 in (2160 mm)

Number of Cylinders	6
Engine Make	Caterpillar
Engine Model	CAT C9.3 ACERT
Displacement	567 cu in (9.3 L)
Bore	4.53 in (115 mm)
Stroke	5.87 in (149 mm)
Gross Power	310 hp (231 kw)
Net Power	275 hp (205 kw)
Power Measured @	1800 rpm
Peak Torque	1273 lb ft (1726 Nm)
Torque Measured @	1400 rpm
Combustion System	Direct Injection
Aspiration	Turbocharged and Aftercooled
Aftertreatment	DOC+DPF+CEM
Emission Standards	US EPA Tier 4 Final + EU Stage IV

Type	Hydrostatic transmission
Number of Gears	Infinite variable speed
Max Travel Speed	6.8 mph (11 km/h)
Drive Pump	Two, variable displacement, slipper type axial piston pumps
Track Motor	Two, variable displacement, bent axis piston motors

Type	Closed Center, Load Sensing
Pump Flow Capacity	100 gal/min (379 L/min)
Relief Valve Pressure, Loader	3988 psi (27500 kPa)
Relief Valve Pressure, Travel	6527 psi (45000 kPa)

Bucket Lift	6.2 sec
Bucket Power Down	4.0 sec
Bucket Float Down	2.0 sec
Bucket Dump at Maximum Height (from full rackback)	1.8 sec
Bucket Rackback at Maximum Height (from full dump)	2.8 sec

Fuel Tank Capacity	101.5 gal (384 L)
DEF Tank Capacity	9.2 gal (35 L)
Engine Oil Capacity (w/ Filter)	6.9 gal (26 L)
Cooling System Capacity	11.6 gal (44 L)
Hydraulic System Capacity	92.2 gal (349 L)
Final Drive Fluid Capacity (Each)	7.5 gal (28.5 L)
Pivot Shaft Capacity	0.8 gal (3 L)