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C R A W L E R D O Z E R S |
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S P E C I F I C A T I O N S |
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550H |
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C O N S T R U C T II O N E Q U II P M E N T |
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Engine |
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550H LT |
550H LGP |
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Type ....................................................................... |
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John Deere 4045T with altitude-compensating |
John Deere 4045T with altitude-compensating |
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turbocharger |
turbocharger |
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Rated power @ 2,200 rpm..................................... |
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80 SAE net hp (60 kW) |
84 SAE net hp (63 kW) |
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Cylinders, wet sleeve.............................................. |
4 |
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4 |
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Displacement ......................................................... |
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276 cu. in. (4.52 L) |
276 cu. in. (4.52 L) |
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Fuel consumption, typical....................................... |
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1.7 to 2.6 gal./hr. (6.4 to 9.8 L/h) |
1.7 to 2.6 gal./hr. (6.4 to 9.8 L/h) |
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Maximum net torque .............................................. |
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255 lb.-ft. (344 Nm) @ 1,200 rpm |
276 lb.-ft. (372 Nm) @ 1,200 rpm |
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Lubrication ............................................................. |
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pressure system with full-flow spin-on filter and oil-to-water cooler |
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Air cleaner.............................................................. |
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dual stage dry type with safety element, precleaner, and dash-mounted restriction indicator |
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Electrical system .................................................... |
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12 volt with 65-amp alternator |
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Cooling fan............................................................. |
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blower |
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Transmission
Dual-path, electronic-controlled, hydrostatic drive; load-sensing feature automatically adjusts speed and power to match changing load conditions; each individual track is powered by a variable-displacement piston pump and two-speed motor combination; decelerator controls speed from holding to 5.0 mph (8.0 km/h)
Travel speeds (infinitely variable) |
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Forward and reverse ........................................ |
0 to 5.0 mph (0 to 8.0 km/h) |
Final Drives
Heavy-duty triple-reduction final drives attach directly to the mainframe and are isolated from track frame and dozer frame loads
Steering
Single-lever steering, direction control, and counterrotation; full power turns and infinitely variable track speeds provide unlimited maneuverability and optimum control; hydrostatic steering eliminates steering clutches and brakes
Brakes
Hydrostatic (dynamic) braking stops the machine whenever the direction-control lever is moved to neutral, whenever the decelerator is depressed to the end of travel, or whenever the brake pedal is depressed
Automatic Park Brake
Exclusive safety feature engages wet, multiple-disc brakes automatically whenever the engine stops, whenever the operator applies the brake pedal, or whenever the neutral start lever lock is in the stop position; machine cannot be driven with brake applied, reducing wear out or need for adjustment
Hydraulic System
System................................................................... |
open center |
Pressure, main relief .............................................. |
3,000 psi (20 685 kPa) |
Pump ..................................................................... |
gear |
Flow....................................................................... |
15 gpm (56.8 L/min.) @ 2,200 rpm |
Filter, return oil ....................................................... |
10 micron |
Control ................................................................... |
T-bar three function |
Cylinders ................................................................ |
heat-treated, chrome-plated, polished cylinder rods, hardened steel (replaceable bushings) pivot pins |
Capacities (U.S.)
Fuel tank with lockable cap.................................... |
47 gal. (178 L) |
Cooling system with coolant recovery tank............. |
17 qt. (16 L) |
Engine oil including spin-on filter ........................... |
15 qt. (14 L) |
Transmission reservoir refill with filter change ....... |
11.3 gal. (42.7 L) |
Final drive (each).................................................... |
7 qt. (6.6 L) |
Hydraulic reservoir refill with filter change ............. |
8.5 gal. (32.2 L) |
All power train and hydraulic systems allow 45-degree maximum operation.
20
Undercarriage 550H LT 550H LGP
John Deere Dura-Trax™ features large deep-heat-treated components; pins and bushings are sealed for life; rollers and idlers are permanently sealed and lubricated; full-
length track frame covers reduce material buildup and ease cleaning |
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Grouser width (closed center, single bar) ................ |
18 in. (457 mm) |
24 in. (610 mm) |
Track shoes, each side ........................................... |
40 |
40 |
Ground contact area............................................... |
3,096 sq. in. (19 974 cm2) |
4,128 sq. in. (26 632 cm2) |
Ground pressure..................................................... |
5.4 psi (37.2 kPa) |
4.2 psi (29.0 kPa) |
Ground clearance with single-bar grouser |
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(excluding grouser height)................................ |
13.6 in. (345 mm) |
13.6 in. (345 mm) |
Length of track on ground ...................................... |
86 in. (2184 mm) |
86 in. (2184 mm) |
Track gauge, standard............................................ |
61 in. (1550 mm) |
69 in. (1753 mm) |
Track rollers, each side .......................................... |
6 |
6 |
Track pitch ............................................................. |
6.29 in. (160 mm) |
6.29 in. (160 mm) |
SAE Operating Weights
Base weights were computed for units with standard equipment, rollover protective structures, full fuel tanks, and 175-lb. (79 kg) operators.
105-in. (2667 mm) blade and 18-in. (457 mm)
track shoes ...................................................... |
16,800 lb. (7636 kg) |
128-in. (3251 mm) blade and 24-in. (610 mm) |
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track shoes .................................................................................................................................................................. |
17,500 lb. (7437 kg) |
Optional or Special Equipment
Add (+) or deduct (–) lb. (kg) as indicated to base weight for units with |
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Rock guards (4)...................................................... |
288 lb. (131 kg) |
288 lb. (131 kg) |
24-in. (610 mm) track shoes.................................. |
in base |
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24-in. (610 mm) swamp shoes .............................. |
160 lb. (72 kg) |
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Deluxe seat group .................................................. |
20 lb. (9 kg) |
20 lb. (9 kg) |
Cab with heater...................................................... |
630 lb. (285 kg) |
630 lb. (285 kg) |
Cab with air conditioning........................................ |
660 lb. (299 kg) |
660 lb. (299 kg) |
Under-seat ROPS heater......................................... |
26 lb. (12 kg) |
26 lb. (12 kg) |
Counterweight, rear (each) ..................................... |
330 lb. (150 kg) |
330 lb. (150 kg) |
Counterweight, front (each) .................................... |
240 lb. (109 kg) |
240 lb. (109 kg) |
Lights, driving......................................................... |
3 lb. (1 kg) |
3 lb. (1 kg) |
Work lights, high intensity ...................................... |
9 lb. (4 kg) |
9 lb. (4 kg) |
Front tow hook ....................................................... |
33 lb. (15 kg) |
33 lb. (15 kg) |
Retrieval hitch ........................................................ |
50 lb. (23 kg) |
50 lb. (23 kg) |
Extended drawbar .................................................. |
72 lb. (33 kg) |
72 lb. (33 kg) |
Limb risers............................................................. |
229 lb. (104 kg) |
229 lb. (104 kg) |
Rear screen............................................................ |
76 lb. (35 kg) |
76 lb. (35 kg) |
Side screens .......................................................... |
94 lb. (43 kg) |
94 lb. (43 kg) |
Screens, front and doors ........................................ |
179 lb. (81 kg) |
179 lb. (81 kg) |
4000S Winch.......................................................... |
1,437 lb. (653 kg) |
1,437 lb. (653 kg) |
Winch fairlead, four roller ....................................... |
187 lb. (85 kg) |
187 lb. (85 kg) |
Parallelogram ripper ............................................... |
1,306 lb. (594 kg) |
1,306 lb. (594 kg) |
97-in. (2464 mm) blade, all-hydraulic heavy- |
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duty C frame .................................................... |
– 151 lb. (– 68 kg) |
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115-in. (2921 mm) blade, all-hydraulic heavy- |
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duty C frame ................................................................................................................................................................ |
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– 38 lb. (– 17 kg) |
121-in. (3073 mm) blade, all-hydraulic heavy- |
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duty C frame ................................................................................................................................................................ |
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22 lb. (10 kg) |
All-hydraulic heavy-duty C frame (less blade)......... |
– 1,212 lb. (– 550 kg) |
– 1,373 lb. (– 623 kg) |
21
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