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Engine
Manufacture and Model	John Deere 4045T
Non-Road Emission Standards	certified to EPA Tier 2 emissions
Net Peak Power (ISO9249)	80 hp (60 kW) @ 2,200 rpm	84 hp (63 kW) @ 2,200 rpm
Net Peak Torque (ISO9249)	263 lb. ft. (358 Nm) @ 1,200 rpm	276 lb. ft. (375 Nm) @ 1,200 rpm
Cylinders	4
Displacement	276 cu. in. (4.5 L)
Lubrication	pressure system with full-flow spin-on filter and oil-to-water cooler
Air Cleaner	dual safety element dry type, evacuator valve
Electrical System	12 volt with 65 amp alternator
Cooling Fan	blower

 

Transmission
Travel Speeds	5.0 mph (8.0 km/h)

 

Capacities
Fuel Tank	47 gal. (178 L)
Cooling System with Recovery Tank	17 qt. (16 L)
Engine Oil with Filter	15 qt. (14 L)
Transmission Reservoir with Filter	11.3 gal. (43 L)
Final Drive (each)	7 qt. (6.6 L)
Hydraulic Reservoir and Filter	8.5 gal (32.2 L)

 

Undercarriage	550J LT	550J LGP
Tracks	John Deere Dura-Trax, deep heat-treated, pins and bushings sealed for life; rollers and idlers permanently sealed and lubricated
Track Gauge	5 ft. 1 in. (1549 mm)	5 ft. 9 in. (1753 mm)
Grouser Width (closed center, single bar)	18 in. (457 mm)	24 in. (610 mm)
Chain	Sealed and Lubricated
Shoes (each side)	40
Track Rollers (single flange, each side)	6
Track Length on Ground	7 ft. 2 in. (2184 mm)	7 ft. 2 in. (2184 mm)
Ground Contact Area	3,096 sq. in. (19 974 cm2)	4,128 sq. in. (26 632 cm2)
Ground Pressure	5.5 psi (37.9 kPa)	4.2 psi (29.0 kPa)
Ground Clearance with Single Bar Grouser (excluding grouser height)	13.6 in. (345 mm)	13.6 in. (345 mm)
Track Pitch	6.29 in. (160mm)	6.29 in. (160 mm)

 

Operating Weights	550J LT	550J LGP
With Standard Equipment, Rops, Full Fuel Tank, and 175 lb (79 kg) Operator
105 in. (2667 mm) Blade and 18 in. (457 mm) Track Shoes	17,016 lb. (7718 kg)
128 in. (3251 mm) Blade and 24 in. (610 mm) Track Shoes		18,252 lb. (8279 kg)

Overall Dimensions	550J LT	550J LGP
A) Overall Height (ROPS or Cab)      Height of Grousers	9 ft. 0 in. (2.74 m) 1.9 in. (48 mm)	9 ft. 0 in. (2.74 m) 1.9 in. (48 mm)
B) Overall Length	13 ft. 3 in. (4039 mm)	13 ft. 3 in. (4039 mm)
C) Overall Length with Extended Drawbar	13 ft. 5 in. (4089 mm)	13 ft. 5 in. (4089 mm)
D) Overall Length with Winch	14 ft. 11 in. (4547 mm)	14 ft. 11 in. (4547 mm)
E) Minimum Ground Clearance	14 in. (345 mm)	14 in. (345 mm)
F) Blade Lift Height	31 in. (798 mm)	31 in. (798 mm)
G) Blade Digging Depth	21 in. (523 mm)	21 in. (523 mm)
H) Blade Cutting Edge Angle, Adjustable	52 to 60 degrees	52 to 60 degrees
I) Width	105 in. (2667 mm)	115 in. (2921 mm)
J) Height     SAE Capacity	3 ft. 2 in. (955 mm) 2.35 cu. yd. (1.80m3)	3 ft. 2 in. (955 mm) 2.57 cu. yd. (2.57m3)
K) Blade Angle	22.2 degrees	22.2 degrees
L) Angled Width	8 ft. 1 in. (2469 mm)	8 ft. 11 in. (2705 mm)
M) Tilt	14.3 in. (363 mm)	15.7 in (399 mm)
N) Cut Reach	4.6 in. (116.84 mm)	2.2 in. (56 mm)
O) Width Over Track	6 ft. 7 in. (2007 mm)	7 ft. 9 in. (2362 mm)
P) Cast Reach	13.6 in. (345 mm)	11 in. (287 mm)