John-deere 550H LT User Manual download pdf (Page 5)

Net engine power is with standard equipment including air cleaner, exhaust system,

alternator, and cooling fan, at standard conditions per SAE J1349 and DIN 6270B,

using No. 2-D fuel at 35 API gravity. Gross power is without cooling fan.

Speciﬁcations and design subject to change without notice. Wherever applicable, speciﬁcations are

in accordance with SAE standards. Except where otherwise noted, these speciﬁcations are based on

units with standard equipment, rollover protective structures, full fuel tanks, and 175-lb. (79 kg) opera-

tors; 450H/LT units with 97-in. (2464 mm) blade and 16-in. (406 mm) track shoes; 450H LGP unit with

124-in. (3150 mm) blade; 450H LGP and 550H LGP units with 24-in. (610 mm) track shoes; 550H LT

and 650H LT units with 105-in. (2667 mm) blade and 18-in. (457 mm) track shoes; 550H LGP and

650H LGP units with 128-in. (3251 mm) blade; and 650H LGP unit with 28-in. (711 mm) track shoes.

DKA450H Litho in U.S.A. (02-09)

450H / 550H / 650H Crawler Dozers

Key: ● Standard equipment ▲ Optional or special equipment *See your John Deere dealer for further information.

450 550 650 Engine

●●●

Electric fuel shutoff, key start

switch

●●●Oil-to-water engine oil cooler

●●●Vertical spin-on oil ﬁlter

●●●Vertical spin-on primary fuel

ﬁlter with water separator

●●●Vertical spin-on ﬁnal fuel ﬁlter

●●●Dual-element dry air cleaner,

built-in precleaner, and evacu-

ator valve

●●●Above-hood pre-screener/

raincap

▲▲▲External primary precleaner*

●●●Enclosed safety fan guard

●●●Coolant recovery tank

●●●Engine coolant to –34°F (–37°C)

●●●Blower-type cooling fan

●●●Trash-resistant seven-ﬁn in-line

radiator

▲▲▲Radiator sand screen (steel)

●●●Under-hood mufﬂer, vertical

exhaust stack

●●●Pre-wired for ether start aid

▲▲▲Electric ether start aid

▲▲▲Coolant heater, 1,000 watts,

110 volts

▲▲▲Coolant heater, fuel ﬁred

Powertrain and Controls

●●●

Dual-path hydrostatic trans-

mission

●●●Single-lever steering, F-N-R

direction control

●●●Decelerator pedal, automatic

retardation

●●●Engine-speed selection lever

●●●Inﬁnite ground speed selection

lever

▲▲▲Ground speed in grip with

speed ratio

●●●Automatic straight-ahead

tracking

●●●Dynamic braking (anti-free

wheel)

●●●Counterrotation

●●●Service-brake pedal

●●●Transmission neutral lock,

safety start switch

●●●Automatic spring-applied,

hydraulic-released parking

brake

●●●Independent transmission oil

reservoir with sight gauge

●●●Onboard diagnostics with

visual display

●●●Oil-to-air transmission oil

cooler

●●●Built-in ﬁnal drive seal guards

●●●Triple-reduction ﬁnal drives

with wet multi-disc brakes

▲▲▲Remote diagnostic test ports

●●●Maximum forward/reverse

speed 5.0 mph (8.0 km/h)

●●●Automatic 15% increase in

reverse speed from set for-

ward speed

450 550 650 C-Frames and Blades

●●●

Six-way all-hydraulic C-frame

with adjustable blade pitch

●●●Remote C-frame pivot grease

banks

●●●Cordura-covered hoses, con-

veniently replaceable lengths

●●●Straight end bits

●●●Pitch link, pitched mid-range

▲▲▲Alternate pitch link, pitched

forward

▲▲▲Alternate pitch link, pitched back

Electrical

●●●

12-volt system

●●●Fuse panel, blade-style multi-

fused circuit breakers

●●●Electric horn

●●●Reverse warning alarm

●●●Electric fuel gauge

●●●Electric hourmeter

●●●Transmission oil pressure gauge

●●●Master electrical disconnect

●●●Positive battery terminal covers

●●●By-pass start safety cover at

starter

●●●Electronic monitor, visual and

audible warning

▲▲▲Electronic monitor with addi-

tional gauges

▲ Ground-speed selection display

●●●Single 12-volt low-mainte-

nance battery, 190-min. reserve

capacity, 950 CCA

▲▲▲Dual 12-volt low-maintenance

batteries, 380-min. reserve

capacity, 1,900 CCA

●●●65-amp sealed alternator with

ROPS

▲▲▲20-amp power port, for phone

and radio

Hydraulic System

●●●

15-gpm ﬁxed-displacement

gear pump

▲▲▲Pump, through-drive for winch

or auxiliary pump

●●●Low-effort T-bar blade control

●●●Independent reservoir with

sight gauge

●●●Vertical spin-on ﬁlter

●●●O-ring face seal connectors

●●●Three-function valve

▲▲▲Four- and ﬁve-function valves

with levers, with or without

ﬂoat*

▲▲▲Rear auxiliary plumbing

Undercarriage

●●

Single-ﬂange rollers

▲▲● Double-ﬂange rollers*

●●●Full-length track frame covers

●●●Chain guides, front and rear

(bolt-on)

●●●Fully protected track-tension

adjusters

●●●Solid sprockets

●●●Sprocket rock guards (bolt-on)

▲▲▲Bolt-on full-length track-roller

rock guards

450 550 650 Undercarriage (cont.)

▲▲▲Sealed track chains

▲▲▲Sealed and lubricated track

chains

▲▲▲Self-cleaning pyramid swamp

shoes*

Lights

▲▲▲

Grille-mounted driving lights

(2), rear light (1), halogen,

2,000 candlepower each

▲▲▲High-intensity work lights,

front (2) and rear (2), with

steel guards, 65 watts each*

Operator’s Station

●●●

Modular ROPS/FOPS canopy,

isolation mounted (conforms

to SAE J1040)

▲▲▲Under-seat ROPS heater,

30,000 Btu/hr

▲▲▲Modular ROPS/FOPS cab, iso-

lation mounted (conforms to

SAE J1040): Fresh air intake

cab heater/defroster/pressur-

izer, 18,000 Btu/hr with air pre-

cleaner / Dome light / Deluxe

headliner with molded air ducts

for heater, defroster, and air

conditioner / 30,000 Btu/hr

underseat heater / Front wind-

shield and doors, wipers and

washers / Tinted safety glass /

Antenna for radio / 95-amp

alternator

▲▲▲Air conditioning, 24,000 Btu/hr

●●●Right and left access

●●●Slip-resistant front-mounting

steps

●●●Ergonomically located hand-

holds

●●●Headliner

●●●Floormat

●●●Adjustable footrests

●●●Adjustable full-length armrests

●●●Built-in Operator’s Manual

storage

●●●Suspension vinyl seat (con-

forms to SAE J899): Fore and

aft/weight and height com-

bined adjustment / Adjustable

leg support / Seat belt, 2 in.

(51 mm), retractable with CRS

(conforms to SAE J386)

▲▲▲Deluxe suspension vinyl or

cloth seat (conforms to SAE

J899): Fore and aft/weight and

height combined adjustment /

Adjustable leg support / Adjust-

able backrest angle / Adjustable

lumbar support / Adjustable

seatback extension / Seat belt,

3 in. (76 mm), retractable with

CRS (conforms to SAE J386)

▲▲▲Seat belt, 3 in. (76 mm), retract-

able with CRS (conforms to

SAE J386)

●●●Convex interior rearview mirror

450 550 650 Operator’s Station (cont.)

▲▲▲Accessories: Convex wide-

angle interior rearview mirror /

Knee cushions (2) / Seat-side

lockable storage box/lunch

box/cup holder

▲▲▲Rear window wiper and washer

for cab

▲▲▲AM/FM weatherband radio

▲▲▲Complete enclosure ROPS-to-

cab conversion panels

▲▲▲Rear-and-side-only enclosures

▲▲▲Front windshield and doors

enclosure

Overall Vehicle

●●●

One-piece unitized construc-

tion mainframe

●●●Front tow loop (bolt-on)

●●●Reinforced engine and mid-

frame bottom guards

●●●Integral transmission guard

●●●Heavy-duty louvered grille

●●●Perforated engine side shields

●●●Vandal protection lock provi-

sions for: Engine service access

cover / Fuel ﬁll / Hydraulic

reservoir ﬁll/check / Trans-

mission reservoir ﬁll/check /

Instrument panel

●●●Lockable grease gun/tool

storage compartment in right

access door

▲▲▲Environmental drains

▲▲▲Chrome exhaust stack

▲▲▲Trademarks/decals, French or

Spanish

▲▲▲Transport lift and tie-down rings*

Protection Packages

▲▲▲

Extreme-duty louvered grille

and hose protection

▲▲▲Limb risers, arched or point-

to-point

▲▲▲Operator-protective rear screen

▲▲▲Operator-protective side

screens (ROPS)

▲▲▲Operator-protective full-screen

package

▲▲▲Heavy-duty engine air-intake

guard

▲▲▲Air-conditioning module guard

Attachments

▲▲▲

Counterweight, rear, 330 lb.

(150 kg) each

▲▲▲Counterweight, front, 240 lb.

(109 kg) each

▲▲▲Retrieval hitch with pin

▲▲▲Extended rigid drawbar with

pin for pull-type implements

▲▲▲Extended drawbar for winch

▲▲▲Parallelogram ripper with ﬁve

shank pockets and three teeth

▲▲▲Standard or low-speed winch

▲▲▲Power-in/out standard-speed

winch

▲▲▲Power-in/out low-speed winch

▲▲▲Four-roller fairlead for winch

▲▲▲Log arch for winch

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John-deere 550H LT User Manual Page 5

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