753 Skid-Steer Loader
753 Skid-Steer Loader
Copyright© 2003 Bobcat Europe
27/05/2008
Dimensions
Angle of departure...................................................................................................
Carry position..........................................................................................................
Dump angle at maximum height.............................................................................
Dump height with standard bucket..........................................................................
Dump reach at maximum height.............................................................................
Ground clearance....................................................................................................
Height to bucket hinge pin.......................................................................................
Height with operator cab.........................................................................................
Length without attachment......................................................................................
Length with standard bucket...................................................................................
Operating height......................................................................................................
Rollback at ground position.....................................................................................
Rollback fully raised at maximum height.................................................................
Wheelbase..............................................................................................................
Turning radius with standard bucket.......................................................................
Width over tyres, 10-16.5........................................................................................
Width over tyres, 10-16.5 with offset rims...............................................................
Width over tyres, 31.5 x 13-16.5.............................................................................
Track, 10-16.5 tyres................................................................................................
Track, 10-16.5 tyres with offset rims.......................................................................
Track, 31.5 x 13-16.5 tyres.....................................................................................
Width over bucket, 54–inch.....................................................................................
Width over bucket, 62–inch.....................................................................................
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26°
224 mm
40°
2148 mm
485 mm
180 mm
2771 mm
1956 mm
2445 mm
3059 mm
3535 mm
25°
96°
900 mm
1761 mm
1524 mm
1372 mm
1524 mm
1278 mm
1079 mm
1176 mm
1398 mm
1575 mm
753 Skid-Steer Loader
27/05/2008
Machine Rating
Lift breakout force (SAE).........................................................................................
Tilt breakout force (SAE).........................................................................................
Rated operating capacity (SAE J732).....................................................................
Rated operating capacity with counterweight option...............................................
Tipping load (SAE)..................................................................................................
Axle torque..............................................................................................................
12232 N
12454 N
600 kg
635 kg
1179 kg
6373 Nm
Function Time
Raise lift arms.........................................................................................................
Lower lift arms.........................................................................................................
Bucket rollback........................................................................................................
Bucket dump...........................................................................................................
2,9 s
2,3 s
2,0 s
2,3 s
Weights
Operating weight (SAE).......................................................................................... 2263 kg
Shipping weight....................................................................................................... 2223 kg
Engine
Make / Model..................................................................
Fuel.................................................................................
Cooling............................................................................
Power (SAE J1349 Net)..................................................
Maximum governed RPM...............................................
Torque at 1800 RPM (SAE Net).....................................
Number of cylinders........................................................
Displacement..................................................................
Bore................................................................................
Stroke..............................................................................
Fuel consumption...........................................................
Lubrication......................................................................
Crankcase ventilation.....................................................
Air filter............................................................................
Ignition............................................................................
Starting aid......................................................................
Kubota / V2003–EB
Diesel
Liquid
32 kW
2650
139 Nm
4
2,2 l
87 mm
92,4 mm
6,57 l/h (Estimated fuel consumption is based on testing by Bobcat
Company in high duty-cycle digging applications.)
Pressure system with filter
Open
Dry replaceable cartridge with safety element
Diesel-compression
Glow plugs
Electrical
Alternator........................................................................ Belt driven — 90 A — open
Battery............................................................................. 12V — 600 cold cranking A at -18°C — 115 min reserve capacity
Starter............................................................................. 12 V — gear reduction type — 2,7 kW
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27/05/2008
Hydraulic System
Pump type.......................................................................
Pump capacity at 2850 RPM – standard........................
System relief at Quick Couplers.....................................
Control valve...................................................................
Engine driven, gear type
60,2 l/min
172 to 179 Bar
Three-spool, open-centre type with float detent on lift and electrically
controlled auxiliary spool
Hydraulic filter................................................................. Full-flow replaceable — 3 µm synthetic media element
Fluid lines........................................................................ SAE standard tubelines, hoses, and fittings
Hydraulic Cylinders
Lift cylinder (2)................................................................
Lift cylinder bore.............................................................
Lift cylinder rod...............................................................
Lift cylinder stroke...........................................................
Tilt cylinder (1)................................................................
Tilt cylinder bore..............................................................
Tilt cylinder rod................................................................
Tilt cylinder stroke...........................................................
Double-acting
50,8 mm
31,8 mm
674,9 mm
Double-acting with cushioning feature on dump and rollback
88,9 mm
38,1 mm
368,3 mm
Drive System
Transmission................................................................... Infinitely variable tandem hydrostatic piston pumps, driving two fully
reversing hydrostatic motors
Final drive chains............................................................ Pre-stressed #80 HSOC endless roller chain (no master link) and
sprockets in sealed chaincase with oil lubrication. (Chains do not
require periodic adjustments.) Two chains per side with no idler
sprocket.
Main drive....................................................................... Fully hydrostatic; four-wheel drive
Axle size.......................................................................... 50,8 mm, heat treated
Wheel bolts..................................................................... Eight 9/16–inch wheel bolts fixed to axle hubs
Traction
Standard tyres................................................................ 10-16.5 — 4-ply
Travel speed................................................................... 11,3 km/h
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753 Skid-Steer Loader
27/05/2008
Fluid Capacities
Chaincase reservoir........................................................
Cooling system...............................................................
Engine oil with filter.........................................................
Fuel tank.........................................................................
Hydraulic reservoir..........................................................
Hydraulic / Hydrostatic system........................................
30,0 l
9,2 l
7,1 l
53,0 l
13,2 l
22,0 l
Fluid Specifications
Engine coolant................................................................ Bobcat PG Coolant
5 l can - 6904844A
25 l container - 6904844B
209 l drum - 6904844C
1000 l tank - 6904844D
Engine oil........................................................................ Oil must meet API Service Classification of CD, CE, CF4, CG4, or
better.
Recommended SAE viscosity number for anticipated temperature
range.
°C
-40
-30
-20
-10
0
10
20
30
40
50
SAE 40W or 20W-50
SAE 10W-30
SAE 15W-40
SAE 30W
SAE
30W
SAE 5W-30
SAE 20W-20
SAE 10W
* Can be used only when available with appropriate diesel rating.
For synthetic oil use the recommendation from the oil manufacturer.
Hydraulic fluid................................................................. Bobcat Superior SH
5 l can - 6904842A
25 l container - 6904842B
209 l drum - 6904842C
1000 l tank - 6904842D
Bobcat Bio Hydraulic
5 l can - 6904843A
25 l container - 6904843B
209 l drum - 6904843C
1000 l tank - 6904843D
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753 Skid-Steer Loader
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Controls
Engine............................................................................. Hand lever throttle
Starting............................................................................ Key-type starter switch and shutdown. Glow plugs automatically
activated by Standard or Deluxe instrument panel.
Front auxiliary (standard)................................................ Electrical switch on right-hand steering lever
Rear auxiliary (optional).................................................. Electrical switch on left-hand steering lever
Loader hydraulics tilt and lift........................................... Separate foot pedals or optional Advanced Control System (ACS)
Service brake.................................................................. Two independent hydrostatic systems controlled by two handoperated steering levers
Secondary brake............................................................. One of the hydrostatic transmissions
Parking brake.................................................................. Mechanical disc, hand operated rocker-switch on dash panel
Vehicle steering.............................................................. Direction and speed controlled by two hand levers
Auxiliary pressure release.............................................. Pressure is relieved through the coupler block. Push in and hold for
5 s.
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27/05/2008
Instrumentation
The following loader functions are monitored by a combination of gauges and warning lights in the operator's line of sight. The
system alerts the operator of monitored loader malfunctions by way of audible alarm and visual warning lights.
Standard Instrument Panel
•
Gauges
◦
Engine coolant temperature
◦
Fuel
◦
Hour-meter
•
Indicators
◦
Attachment control device
◦
BICS functions
◦
Glow plugs
•
Warning lights
◦
Advanced Control System (ACS)
◦
Engine air filter
◦
Engine coolant temperature
◦
Engine oil pressure
◦
General warning
◦
Hydraulic filter
◦
Hydraulic oil temperature
◦
Hydrostatic charge pressure
◦
Seat belt
◦
System voltage
Deluxe Instrument Panel (Option)
Same gauges, warning lights and other features as Standard Instrument Panel, plus:
•
Bar-type gauges
◦
Engine oil pressure
◦
System voltage
◦
Hydrostatic charge pressure
◦
Hydraulic oil temperature
•
Additional features
◦
Keyless start with password capability
◦
Digital clock
◦
Job clock
◦
Attachments information
◦
Digital tachometer
◦
High flow lockouts
◦
Multi-language display
◦
Help screens
◦
Diagnostic capability
◦
Engine/hydraulic systems shutdown function
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753 Skid-Steer Loader
27/05/2008
Serviceability
Access is available to the following through the rear door/tailgate and rear screen:
•
Air cleaner
•
Alternator
•
Battery
•
Cooling system (engine oil and hydraulic oil coolers) for cleaning
•
Engine oil and fuel filters
•
Engine oil drain and dipstick
•
Hydraulic oil fill (access at the side of the machine)
•
Starter
Axle hubs provide protection for the axle seals
Bob-Tach™ pivots have replaceable wear bushings
Easy access to all lift arm grease points
Rod end of the tilt cylinder has a replaceable bushing
Tailgate has an optional lock for vandal-proofing
Tailgate is equipped with door-stop to hold door open while servicing
Tip-up operator cab gives access to certain hydraulic system components
Standard Features
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High-back cushion suspension seat
Automatically activated glow-plugs
Auxiliary hydraulics: variable flow/maximum flow
Bob-Tach™ frame
Bobcat Interlock Control System (BICS)
Deluxe operator cab *
Includes interior cab foam, top and rear windows, accessory wire harness, dome light, and electrical power port
Rear half side and top windows
Engine/hydraulics system shutdown
Hydraulic bucket positioning (including ON/Off switch)
Instrumentation
Lift arm support
Operating lights, front and rear
Parking brake
Seat belt
Seat bar
Spark arrestor muffler
Tyres — 10-16.5 — 8-ply — Bobcat standard duty
CE certification
Warranty: 12 months or 2000 hours
* Roll Over Protective Structure (ROPS) – meets requirements of SAE-J1040 and ISO 3471
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753 Skid-Steer Loader
27/05/2008
Options
•
•
Factory Options
◦
Deluxe instrument panel
◦
Cab enclosure with heat
◦
Heavy-duty tyres — 10-16.5 — 10-ply
◦
Heavy-duty tyres with offset rims — 10-16.5 — 10-ply
◦
Severe duty foam-filled tyres — 10-16.5 — 10-ply
◦
Super float tyres — 31-15.5 — 10-ply
◦
Severe duty tyres — 10-16.5 — 10-ply
◦
Segmented tyres, industrial type — 7.50-15
◦
Segmented tyres — 10-16.5
◦
Heavy duty, offset rim, tyre and wheel assembly — 10-16.5 — 10-ply
◦
Heavy duty tyre and wheel assembly — 10-16.5 — 10-ply
◦
Severe duty foam-filled tyre and wheel assembly — 10-16.5 — 10-ply
◦
Super float wheel and tyre assembly — 31-15.5 — 8-ply
◦
Severe duty tyre and wheel assembly — 10-16.5 — 10-ply
◦
Segmented tyre, industrial type, left — 7.50-15
◦
Segmented tyre, industrial type, right — 7.50-15
◦
Segmented tyre, left — 10-16.5
◦
Segmented tyre, right — 10-16.5
Dealer Installed Accessories
◦
Cab enclosure kit
◦
Special applications kit
◦
Counterweight kit
◦
Advanced Control System conversion kit
◦
7-pin attachment control kit
◦
Replacement Bob-Tach™
◦
Catalytic purifier kit
◦
Fuel cap locking kit
◦
Deluxe instrument panel
◦
Door sensor switch kit
◦
Hydraulic bucket positioning kit
◦
Four-point lift kit
◦
Fresh air heater kit
◦
Front door kit
◦
Plumbing kit for fresh air heater
◦
Back up alarm kit
◦
FOPS kit **
◦
Single-point lift kit
◦
7 and 14–pin electrical attachment control kit
◦
Replacement operator cab structure
◦
Operator cab, CE, enclosure kit
◦
Rear auxiliary hydraulic kit
** Falling Objects Protective Structure (FOPS) – meets requirements of SAE-J1043 and ISO 3449, Level I
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Attachments
For specific model availability, see Bobcat Product Price List.
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Angle blade
•
Angle broom
•
Auger
•
Backhoe
•
Brushcat rotary cutter
•
Buckets
•
Chipper
•
Combination bucket
•
Cutter crusher
•
Digger
•
Dozer blade
•
Dumping hopper
•
Ejector bucket
•
Farm grapple
•
Front scarifier
•
Grader
•
Hydraulic breaker
•
Industrial grapple
•
Landplane
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Landscape rake
Mixing bucket
Pallet fork – standard
Pallet fork – hydraulic
Planer
Rear stabiliser
Snow blower
Sod layer
Soil conditioner
Spreader
Super scraper
Sweeper
Three-point hitch
Tiller
Tilt-Tatch™
Tracks, steel
Trench compactor
Trencher
Vibratory roller
753 Skid-Steer Loader
27/05/2008
Environmental
Noise 1............................................................................ Value
Noise 2............................................................................ Value
Vibration.......................................................................... Value
Safety
Bobcat Interlock Control System (BICS), standard......... Requires the operator to be seated in the loader with the seat bar in
place and the engine running. After the operator presses the “Press to
Operate Loader” button, the loader's hydraulic lift and tilt functions and
traction drive can be operated.
Lift arm bypass control, standard.................................... Used to lower the lift arms in the event that the lift arms cannot be
lowered during normal operating conditions.
Seat belt, standard.......................................................... Should always be worn when operating the loader. Three-point
shoulder belt provides restraint for high range speeds.
Seat bar, standard.......................................................... Secondary operator restraint, also serves as an arm rest.
Operator cab, standard................................................... An enclosed operator cab with side screens with a minimal inside cab
width of 838 mm. Meets SAE-J1040 and ISO 3471 for Roll Over
Protective Structure (ROPS) and SAE-J1043 and ISO 3449 Level I *
for Falling Objects Protective Structure (FOPS). Level II ** option is
available.
Lift arm support, standard............................................... Use for servicing when lift arms are raised.
Parking brake, standard.................................................. Always set brake when leaving loader.
Grab handles, standard.................................................. Should always be used when entering/exiting loader.
Safety tread, standard.................................................... Slip resistant tread on lift arms and main frame to be used when
entering/exiting loader.
Attachment steps, standard............................................ Should always be used when entering/exiting loader.
Rear window, standard................................................... For emergency exit.
Front and rear working lights, standard.......................... Use for indoor and low light operation.
Backup alarm, optional................................................... For use in areas with high traffic
Lift kits, optional.............................................................. Lift kits are available so loader may be lifted into remote areas.
Special applications kit, optional..................................... Restricts objects and material from entering cab openings.
Operator's handbook, standard...................................... Weather-resistant operator handbook attached to the inside of the cab,
providing operational instructions and warnings decals with pictorials
and international symbols.
* Level I — Acceptance is intended for protection from falling bricks, small concrete blocks, and hand tools encountered in operations
such as highway maintenance, landscaping, and other construction site services.
** Level II — Acceptance is intended for protection from falling trees or rocks for machines involved in site clearing, overhead
demolition, or forestry.
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