A770 Kompaktlastare

Intresserad?

Är du intresserad av denna produkten? Vänligen kontakta oss för vidare information.

Dimensions

 
graphic-data
(A) Operating height 4232 mm
(B) Height with operator cab 2065 mm
(C) Angle of departure 25°
(D) Ground clearance 207 mm
(E) Wheelbase 1227 mm
(F) Length without attachment 2903 mm
(G) Length with standard bucket 3597 mm
(H) Rollback at ground position 30°
(I) Dump height with standard bucket 2649 mm
(J) Height to bucket hinge pin 3353 mm
(K) Dump reach at maximum height 800 mm
(L) Dump angle at maximum height 42°
(M) Rollback fully raised at maximum height 98°
(N) Bucket width, 74–inch 1880 mm
(N) Bucket width, 80–inch 2032 mm
(O) Turning radius in AWS mode without attachment 3386 mm
(O) Turning radius in AWS mode with standard bucket 3848 mm
(O) Turning radius in SSL mode with standard bucket 2179 mm
(P) Track, 12 x 16.5, 12–ply, Bobcat heavy duty tyres 1507 mm
(Q) Width over tyres, 12 x 16.5, 12–ply, Bobcat heavy duty 1832 mm
A770  All-Wheel Steer Loader  — 05/11/2010

Machine Rating

 
Lift force while pushing 1546 daN
Push force while lifting 4232 daN
Rated operating capacity (ISO 14397-1) 1550 kg
Tipping load (ISO 14397-1) 3100 kg
Axle torque 9278 Nm

Cycle Times

 
Raise lift arms 4.2 s
Lower lift arms 3.1 s
Bucket rollback 2.5 s
Bucket dump 2.6 s
Wheel cycle time (left/right turn) 0.9 s

Weights

 
Operating weight 4291 kg
Shipping weight 3915 kg

Engine

 
Make / Model Kubota / V3800-DI-T-E3
Fuel Diesel
Cooling Liquid
Power at 2400 RPM (SAE JI 995 Gross) 68.6 kW
Rated speed (EEC 80/1269, ISO 9249) 2400 RPM
Torque at 1600 RPM (SAE JI 995 Gross) 315 Nm
Number of cylinders 4
Displacement 3769 cm 3
Bore 100 mm
Stroke 120 mm
Lubrication Gear pump pressure
Crankcase ventilation Open breathing
Air filter Dry replaceable cartridge with safety element
Ignition Diesel-compression
Starting aid Intake air heater

Electrical

 
Alternator Belt driven — 90 A — open with internal regulator
Battery 12 V — 950 cold cranking A at -18°C — 180 min reserve capacity
Starter 12 V — gear reduction type — 3.0 kW
A770  All-Wheel Steer Loader  — 05/11/2010

Hydraulic System

 
Pump type Engine driven, gear type
Pump capacity 87.1 L/min
Pump capacity (with high flow option) 151 L/min
Steering pump 51.5 L/min
System relief at quick couplers 23.8–24.5 MPa
Control valve Three-spool, open-centre type with float detent on lift and electrically controlled auxiliary spool
Hydraulic filter Full-flow replaceable — 10 µm synthetic media element
Steering filter In-line replaceable filter
Fluid lines SAE standard tubelines, hoses, and fittings

Hydraulic Cylinders

 
Lift cylinder (2) Double-acting
Lift cylinder bore 76.2 mm
Lift cylinder rod 44.5 mm
Lift cylinder stroke 660 mm
Tilt cylinder (2) Double-acting with cushioning feature on dump and rollback
Tilt cylinder bore 76.2 mm
Tilt cylinder rod 41.4 mm
Tilt cylinder stroke 355 mm 
Steering cylinder (4) Double-acting
Steering cylinder bore 50.8 mm
Steering cylinder rod 25.4 mm
Steering cylinder stroke 123 mm

Drive System

 
Transmission Infinitely variable tandem hydrostatic piston pumps, driving two fully reversing hydrostatic motors
Final drive chains Pre-stressed #120 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 70.1 mm, heat treated. Axle tubes welded to chaincase. Labyrinth axle seal protection. 
Wheel bolts Eight M16 wheel bolts fixed to axle hubs

Traction

 
Standard tyres 12 x 16.5, 12–ply, Bobcat Heavy duty
Heavy duty tyres (option) 12 x 16.5, 12-ply, Bobcat Heavy duty, offset rims
Floatation tyres (option) 33 x 15.5-16.5, 12–ply, Bobcat Superflotation
Severe duty tyres (option) 12 x 16.5, 12-ply, Bobcat Severe duty
Severe duty Poly Fill tyres (option) 12 x 16.5, 12-ply, Bobcat Severe duty, poly fill
Solid flex tyres (option) 12 x 16.5, 12-ply, Bobcat Solid flex
Turf and Sand tyres (option) 33 x 15.5-16.5, 12–ply, Bobcat Turf and Sand
Max. travel speed — low 11.4 km/h
Max. travel speed — high 19.8 km/h
A770  All-Wheel Steer Loader  — 05/11/2010

Fluid Capacities

 
Chaincase reservoir 39.7 L
Cooling system with heater 15.1 L
Cooling system without heater 14.4 L
Engine oil with filter 11.4 L
Fuel tank 103 L
Hydraulic reservoir 9.8 L
Hydraulic / Hydrostatic system 37.9 L

Fluid Specifications

 
Engine coolant Propylene glycol/water mix (53% – 47%) with freeze protection to −37°C

5 L can - 6904844A, 25 L container - 6904844B, 209 L drum - 6904844C, 1000 L tank - 6904844D


Propylene glycol concentrate coolant

5 L can - 6987646A, 25 L container - 6987646B, 209 L drum - 6987646C, 1000 L tank - 6987646D

Engine oil Oil must meet API Service Classification of CF or CI4 (Class CF-4, CG-4 and CH-4 engine oils cannot be used on EGR type engines). Recommended SAE viscosity number for anticipated temperature range.
graphic-data

* 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

Motor oil is not an acceptable alternative fluid.

Controls

 
Engine speed Hand lever and foot accelerator pedal
Starting Key-type starter switch and shutdown or optional keyless start. Intake air heater automatically activated by standard or Deluxe instrument panel.
Front auxiliary (standard) Electrical switches on right-hand joystick
Rear auxiliary (optional) Electrical switch on left-hand joystick
Loader hydraulics tilt and lift Right-hand joystick (SJC)
Service brake Two independent hydrostatic systems controlled by left-hand joystick
Secondary brake One of the hydrostatic transmissions
Parking brake, two-speed option Spring applied pressure release multi-disk brake activated by rocker switch on centre instrument panel
Vehicle steering (AWS) Direction and speed controlled with left-hand joystick. Pattern is a C-type.
Vehicle steering (SSL) Direction and speed controlled with left-hand joystick. Pattern is an S-type.
Auxiliary pressure release Pressure is relieved through the coupler block, push in and hold for 5 s.
A770  All-Wheel Steer Loader  — 05/11/2010

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 temperature

    • Fuel

  • Indicators

    • Bobcat Interlock Control System

    • Engine preheat

    • Two speed

    • Turn signals

  • Warning lights

    • Engine temperature

    • Fuel level

    • General warning

    • Seat belt

    • Seatbar down

    • Engine malfunction

    • Hydraulic system malfunction

    • Lift and tilt valve, hydraulics lock-out

    • Parking brake

    • Hydraulic oil temperature

    • Engine oil pressure

    • Hydraulic oil pressure

  • Buttons

    • Work lights and road lights

    • High flow auxiliary hydraulics

    • Auxiliary hydraulics

    • Information

      • Hour meter (default)

      • Engine RPM

      • Battery voltage

      • Service codes

      • Service reminder (maintenance clock)

    • Traction lock override

    • Press to operate loader

  • Rocker switch

    • Parking brake

  • Alarm

    • Beep when error, warning or shutdown condition exists

Full-Colour Deluxe Instrument Panel (Option)

Same gauges, warning lights and other features as standard instrument panel, plus:

  • Gauges

    • Engine oil pressure / temperature

    • Hydrostatic charge pressure

    • Hydraulic oil temperature

    • Battery

  • Additional features

    • Keyless start with password capability

    • Digital clock, date and time

    • User name and hourmeter

    • Attachment control information

    • Current job hours

    • High flow lockouts

    • Multi-language display

    • Help screens

    • Diagnostic capability

    • Engine/hydraulic systems shutdown function

    • Password lockout

  • Icons

    • Active warnings

    • Vitals

      • engine speed

      • oil pressure

      • temperature

      • system voltage

      • hydraulic charge pressure

      • oil temperature

    • Service

    • Main screen

    • Attachments

    • Security

    • Display

  • Buttons

    • Left scroll

    • Enter

    • Right scroll

A770  All-Wheel Steer Loader  — 05/11/2010

Serviceability

 

Access is available to the following through the rear door/tailgate and rear screen:

  • Air filter

  • Alternator

  • Battery

  • Cooling system (engine oil and hydraulic oil coolers easily separable for cleaning)

  • Engine oil and fuel filters

  • Engine oil drain and dipstick

  • Hydraulic oil fill and filter (access at the upper right 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

 
  • Two-speed travel

  • High-back adjustable suspension seat

  • Automatically activated intake air heater

  • Auxiliary hydraulics: variable flow/maximum flow

  • Bob-Tach™ frame

  • Bobcat Interlock Control System (BICS)

  • Deluxe operator cab * Includes interior cab foam, side, top and rear windows, Deluxe wire harness, dome light, electrical power port, cup holder, storage place and horn

  • Dual steering mode: All-Wheel Steer (AWS) and Skid-Steer (SSL)

  • Work lights, front and rear

  • Hydraulic bucket positioning

  • Instrumentation

  • Lift arm support

  • Parking brake

  • Seat belt

  • Seat bar

  • Turbo-charger with approved spark arrestor

  • 12 x 16.5, 12–ply, Bobcat Heavy duty tyres

  • CE certification

  • Warranty: 12 months or 2000 hours, whichever occurs first

* Roll Over Protective Structure (ROPS) – meets requirements of SAE-J1040 and ISO 3471; Falling Object Protective Structure (FOPS) - meets requirements of SAE-J1043 and ISO 3449, Level I

A770  All-Wheel Steer Loader  — 05/11/2010

Options

 
  • Factory Options

    • High-flow hydraulics

    • Power Bob-Tach™

    • Air conditioning

    • Deluxe instrument panel

    • 12 x 16.5, 12-ply, Bobcat Heavy duty tyres, offset rims

    • 12 x 16.5, 12-ply, Bobcat Severe duty tyres

    • 12 x 16.5, 12-ply, Bobcat Severe duty tyres, poly fill

    • 12 x 16.5, 12-ply, Bobcat Solid flex tyres

    • 33 x 15.5-16.5, 12–ply, Bobcat Superflotation tyres

    • 33 x 15.5-16.5, 12–ply, Bobcat Turf and Sand tyres

  • Dealer Installed Accessories

    • Air conditioning kit

    • Back-up alarm kit

    • Catalytic purifier kit

    • Engine block heater kit

    • Fire extinguisher kit

    • FOPS kit **

    • Fresh air heater kit

    • Front door kit

    • Four-point lift kit

    • Deluxe instrument panel

    • Radio kit

    • Rotating beacon kit

    • Road kit

    • Keyless kit

    • Lexan rear window kit

    • Lower duct kit

    • Power Bob-Tach™ kit

    • Plumbing kit for fresh air heater

    • Special applications front door kit

    • 200/300/400 lbs (74.4/111.9/181.4 kg) counterweight kit

    • 7- and 14-pin electrical attachment control kit

** Falling Objects Protective Structure (FOPS) – meets requirements of SAE-J1043 and ISO 3449, Level II

A770  All-Wheel Steer Loader  — 05/11/2010

Attachments

 

For specific model availability, see Bobcat Product Price List.

  • Angle / Snow blade

  • Angle broom*†

  • Auger

  • Bale forks

  • Box blade

  • Brushcat rotary cutter

  • Buckets

  • Combination bucket

  • Concrete pump*

  • Digger

  • Dozer blade*

  • Drop hammer

  • Dumping hopper

  • Farm grapple

  • Flail cutter

  • Forestry cutter

  • Grader*

  • Hydraulic breaker**

  • Industrial grapple

  • Landplane

  • Landscape rake

  • Mower

  • Pallet forks – heavy duty

  • Wood Chipper*

  • Pallet forks – hydraulic

  • Planer*

  • Rear stabilisers

  • Scarifier

  • Snow blower*

  • Snow V-blade

  • Sod layer*

  • Soil conditioner*

  • Spreader

  • Stump grinder*

  • Super scraper

  • Sweeper

  • Tiller

  • Tracks, steel

  • Tree transplanter*

  • Trencher

  • Utility forks

  • Utility frame

  • Water kit

  • Wheel saw

  • Whisker broom

  • Vibratory roller


*Attachment control kit required.

**When operating the loader with this attachment, a Special Applications Kit, which includes a 12 mm Lexan front door with 6 mm top and rear windows, must be used.

†Optional water kit.

A770  All-Wheel Steer Loader  — 05/11/2010

Environmental

 
Operator L pA (98/37 & 474-1) — dB(A)
Noise level L WA (EU Directive 2000/14/EC) — dB(A)
Whole body vibration (ISO 2631–1) 0.86 m/s2
Whole body vibration (ISO 2631–1) uncertainty 0.43 m/s2
Hand-arm vibration (ISO 5349–1) 0.92 m/s2

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 work lights, standard Use for indoor and low light operation.
Back-up 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 handbook, standard Weather-resistant operator handbook as provided in the documentation kit.

* 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.