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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 LGPunit with
124-in. (3150 mm) blade; 450H LGPand 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