John Deere 120C - Manual (Page 10)

S P E C I F I C A T I O N S E X C A V A T O R S
120C 160C
LC
Engine 120C 160C LC
Type ..........................................................................John Deere 4045H with turbocharger and air-to-air charge air cooler; John Deere 4045H with turbocharger and air-to-air charge air cooler;
meets EPA and CARB emission non-road regulations meets EPA and CARB emission non-road regulations
Rated power .............................................................89 SAE net hp (66 kW) @ 2,200 rpm 109 SAE net hp (81 kW) @ 2,300 rpm
Cylinders ...................................................................4 4
Displacement ............................................................276 cu. in. (4.5 L) 276 cu. in. (4.5 L)
Maximum net torque.................................................275 lb.-ft. (373 Nm) @ 1,400 rpm 302 lb.-ft. (410 Nm) @ 1,400 rpm
Fuel consumption, typical..........................................2.0 to 3.0 gal./hr. (7.6 to 11.4 L/h) 3.0 to 5.0 gal./hr. (11.4 to 18.9 L/h)
Cooling fan................................................................suction-type suction-type
Electrical system .......................................................24 volt with 45-amp alternator 24 volt with 45-amp alternator
Batteries (two 12 volt) ...............................................reserve capacity: 180 min. reserve capacity: 180 min.
Off-level capacity ......................................................100% (45 deg.) 100% (45 deg.)
Hydraulic System
Main pumps ..............................................................two variable-displacement axial-piston two variable-displacement axial-piston
Maximum flow ...................................................2 x 27.7 gpm (2 x 105 L/min.) 2 x 39.0 gpm (2 x 148 L/min.)
Pilot pump.................................................................one gear one gear
Maximum rated flow ..........................................8.7 gpm (32.9 L/min.) 6.40 gpm (24.2 L/min.)
Pressure setting .................................................570 psi (3930 kPa) 570 psi (3930 kPa)
System operating pressure
Implement circuits..............................................4,980 psi (34 336 kPa) 4,980 psi (34 336 kPa)
Travel circuits.....................................................4,980 psi (34 336 kPa) 4,980 psi (34 336 kPa)
Swing circuits ....................................................4,690 psi (32 337 kPa) 4,410 psi (30 406 kPa)
Oil filtration ...............................................................one 10-micron full-flow return filter with by-pass / one pilot oil filter / one 10-micron full-flow return filter with by-pass / one pilot oil filter
one suction filter
Cylinders
Boom (2)
Bore ...................................................................4.13 in. (105 mm) 4.33 in. (110 mm)
Rod diameter .....................................................2.76 in. (70 mm) 3.15 in. (80 mm)
Stroke ................................................................37.0 in. (941 mm) 43.7 in. (1110 mm)
Arm (1)
Bore ...................................................................4.53 in. (115 mm) 4.72 in. (120 mm)
Rod diameter .....................................................3.15 in. (80 mm) 3.54 in. (90 mm)
Stroke ................................................................44.7 in. (1135 mm) 53.7 in. (1365 mm)
Bucket (1)
Bore ...................................................................3.94 in. (100 mm) 4.13 in. (105 mm)
Rod diameter .....................................................2.76 in. (70 mm) 2.76 in. (70 mm)
Stroke ................................................................34.40 in. (875 mm) 36.81 in. (935 mm)
Swing Mechanism
Swing speed .............................................................0–13.7 rpm 0–13.6 rpm
Swing torque.............................................................24,387 lb.-ft. (33 089 Nm) 29,850 lb.-ft. (40 500 Nm)
Undercarriage
Carrier rollers (per side) ............................................1 2
Track rollers (per side)...............................................7 7
Shoes (per side) ........................................................44 43
Track guides .............................................................front front
Track adjustment ......................................................hydraulic hydraulic
Travel speed
Low....................................................................0–2.1 mph (0–3.4 km/h) 0–1.9 mph (0–3.1 km/h)
High ...................................................................0–3.4 mph (0–5.5 km/h) 0–3.3 mph (0–5.3 km/h)
Drawbar pull .............................................................22,930 lb. (10 401 kg) 33,670 lb. (15 273 kg)
Ground Pressure Data
Average ground pressure Without Blade With Blade
24-in. (600 mm) triple semi-grouser shoes ........4.89 psi (33.7 kPa) 5.24 psi (36.1 kPa); recommended for rocky 5.46 psi (37.6 kPa); recommended for rocky terrain, hard ground,
terrain, hard ground, and stumps and stumps
28-in. (700 mm) triple semi-grouser shoes ........4.25 psi (29.3 kPa) 4.55 psi (31.4 kPa); recommended for 4.76 psi (32.8 kPa); recommended for general conditions and soft
general conditions and soft terrain terrain
24-in. (600 mm) rubber crawler pad ..................5.17 psi (35.7 kPa) 5.87 psi (40.5 kPa)
Capacities
Fuel tank...................................................................66 gal. (250 L) 74 gal. (280 L)
Cooling system..........................................................28 qt. (26.5 L) 28 qt. (26.5 L)
Engine lubrication, including filter..............................15 qt. (14 L) 15 qt. (14 L)
Hydraulic tank ...........................................................20 gal. (76 L) 20 gal. (76 L)
Hydraulic system.......................................................35 gal. (134 L) 44.9 gal. (170 L)
Propel gearbox (each) ...............................................3.4 qt. (3.2 L) 3.4 qt. (3.2 L)
Swing drive ...............................................................2.6 qt. (2.8 L) 5 qt. (4.5 L)
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C O N S T R U C T I O N E Q U I P M E N T C O N S T R U C T I O N E Q U I P M E N T