John Deere 755C-II Compact Loader User Manual


 
DKA655CII Litho in U.S.A. (03-03)
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. No
derating is required up to 10,000 ft. (3050 m) altitude for both the
655C-II and 755C-II.
Specifications and design subject to change without notice. Wherever applicable, specifi-
cations are in accordance with SAE standards. Except where otherwise noted, these spec-
ifications are based on units with standard equipment, 20-in. (mm) track grouser shoes,
modular cabs with air conditioning, full fuel tanks, and 175-lb. (79 kg) operators; 655C
unit with 2.35-cu. yd. (1.8 m
3
) bucket; and 755C unit with 3.14-cu. yd. (2.4 m
3
) bucket.
655C / 755C Series II Loaders
Key: Standard equipment Optional or special equipment See your John Deere dealer for further information.
655 755
Engine
130-hp (97 kW) Liebherr D 924 T-EA1
water-cooled, turbocharged 4-cylinder
diesel (EPA Tier II emissions compliant)
177-hp (132 kW) Liebherr D 926 T-EA2
water-cooled, turbocharged, and inter-
cooled 6-cylinder diesel (EPA Tier II
emissions compliant)
●●Blower-type cooling fan with viscous
drive off gear-driven water pump
●●Dual-element dry-type aspirated air
cleaner with automatic dust ejector
●●Electric fuel pump
●●Enclosed secondary fan guard (conforms
to SAE J1308)
●●Engine coolant to 34°F (37°C)
●●Fuel system with prefilter, water sepa-
rator, and microfilters
Quick-release fuel filter
●●Heavy-duty five-fin-per-in. radiator
●●Intake air heater cold-starting aid
●●Under-hood muffler with vertical
exhaust stack
●●Oil-to-water engine oil cooler
●●Pressure lubrication for operation up to
45 degrees
●●Spin-on full-flow oil filter, with anti-
drain back valve
Starter motor, 7.2 hp (5.4 kW)
Starter motor, 8.9 hp (6.6 kW)
●●Turbocharger provides spark arresting
Power Train
●●
Dual-path hydrostatic transmission:
Dynamic braking / Electronically con-
trolled with power management and
AutoTrac / Infinite speed control / Pedal
steer with full power turn and counter-
rotation / V-pattern F-N-R control
●●Automatic spring-applied, hydraulic
released parking brake
●●Hydraulic/transmission oil-to-air cooler,
independent of radiator with hydrostati-
cally driven cooling fan
●●Park brake button: Neutralizes trans-
mission and activates parking brake
●●Pedal-operated secondary service brakes
●●Transmission system diagnostic test ports
●●Two-speed transmission maximum speed
control with dash-mounted indicator light
Electrical
●●
24-volt system
●●Alternator, 55 amp
Batteries (2), heavy-duty cold start,
760 CCA
Batteries (2), heavy-duty cold start,
1,050 CCA
●●Positive battery terminal covers
●●Electrically activated battery master
disconnect
●●Fuse-protected circuits
●●Working lights, cab mounted, front (2)
and rear (2)
▲▲Additional front lights (2)
▲▲Light guarding
655 755
Hydraulic System
41-gpm (156 L/min.) load-sensing vari-
able-displacement pump
55-gpm (209 L/min.) load-sensing vari-
able-displacement pump
●●Boom float with on/off indicator light
●●Circuit relief valve protection
●●Electrical switches for lift stop, bucket
positioning, and bucket float
●●Electrically controlled bucket float
●●Hydraulic functions disabled with park
lock lever
●●Hydraulic/hydrostatic oil reservoir with
sight glass
●●Hydraulic system diagnostic test port
●●O-ring seal connectors
●●Replaceable filter, 20/5 micron with
magnetic particle attractors
●●Single V-pattern lever control
●●Tank shutoff valves for service
●●Two-function loader valve with single-
lever bucket control
▲▲Hydraulic controls for front and rear
attachments
Undercarriage
66-in. (1680 mm) gauge standard track
frame
71-in. (1800 mm) gauge standard track
frame
●●Center track guides
●●Front idler and sprocket chain guides
●●Full-length track frame covers
●●Hydraulic track adjusters with hinged
dirt cover
●●Oscillating track frames
●●Isolation-mounted pivot shafts and
equalizer bar
●●Maintenance-free track components,
sealed and lubricated rollers, idlers,
and sprockets
●●Sealed and lubricated track chain
●●Segmented bolt-on sprockets
▲▲20-in. (508 mm) closed-center double-
bar track grouser shoes
▲▲22-in. (560 mm) closed-center double-
bar grouser shoes
▲▲Full-length bolt-on rock guards
Operator’s Station
●●
Modular cab with integrated ROPS/FOPS
(conforms to SAE J1040, ISO 3471/3449):
Hydraulically tilted / Isolation mounted /
Air conditioner/heater/defroster/pres-
surizer with filtered fresh air intake and
two-speed blower / Ashtray / Dome light /
Fabric seat cushions / Lockable doors
(open and closed position) / Pull-down
sunshade / Radio-installation provision /
Rearview mirror / Sliding side windows /
Tinted glass / Windshield wipers, front
and rear, with washers
▲▲Modular ROPS/FOPS canopy, isolation
mounted, vinyl seat cushions (conforms
to SAE J1040, ISO 3471/3449)
655 755
Operator’s Station (continued)
●●Left and right access
●●Built-in operators manual storage
compartment and operators manual
●●Rubber floormat
●●Deluxe mechanical suspension seat:
Adjustable armrests, backrest, height/
weight, and fore-aft / Seat cushion tilt
▲▲Deluxe air suspension power-adjustable
seat (cab only): Adjustable armrests,
backrest, height/weight, and fore-aft /
Fabric seat cushions / Seat cushion tilt
●●Seat belt, 2-in. (50 mm), retractable
(conforms to SAE J386)
▲▲Seat belt, 3-in. (76 mm), retractable
with CRS (conforms to SAE J386)
●●Electronic monitor system with audible
and visual warnings: Engine air filter
restriction / Hydraulic/hydrostatic filter
restriction / Hydrostatic transmission
pressure / Low alternator voltage /
Park brake
●●Gauges, electric, illuminated: Engine
coolant temperature / Engine oil pres-
sure / Fuel / Hourmeter
●●Horn, electric
●●Key start switch with electric fuel shutoff
●●24-volt power port
●●Lever-controlled throttle
●●Slip-resistant steps and ergonomically
located handholds
▲▲Radio AM/FM
Attachments
●●
General-purpose bucket with bolt-on
teeth and back-drag rear edges
▲▲Multipurpose bucket with bolt-on teeth
▲▲Cutting edge segments, reversible
▲▲Three-shank radial ripper
Overall Vehicle
66.0-gal. (250 L) fuel tank with wide-
mouth filler cap
84.5-gal. (320 L) fuel tank with wide-
mouth filler cap
●●Bucket-level indicator
●●Hinged reinforced radiator guard
●●Loader boom service lock
●●Lockable vandal protection: Battery
compartment / Engine access doors /
Fuel tank / Hydraulic and transmission
access door / Instrument panel (canopy
only) / Storage compartments (2)
●●Oil-lubricated lower bucket pins
●●One-piece unitized mainframe
●●Rear drawbar hitch with pin
●●Reinforced engine bottom guards
●●Return-to-dig feature
●●Reverse warning alarm (conforms to
SAE J994, J1446)
●●Tool kit with brake-release towing kit
●●Z-bar bucket linkage
▲▲Bumper, heavy-duty extended rear
▲▲
Grille, heavy-duty horizontal louvered
▲▲
Lifting lugs