Bobcat A770 All-Wheel Steer Loader

Serial Number Reference by Year

Year	Starting Serial Number
2011	A3P611001
2012	A3P711001
2013	A3P811001
2014	A3P911001
2015	AT5J11001
2016	AT5K11001

Serial Number Location:
Located on the left side of the loader frame, under the lift arm near the cab — engraved on a metal plate for easy reference.

Key Specifications

Feature	Specification
Operating Weight	9,623 lbs (4,365 kg)
Engine	Bobcat D34
Horsepower	92 HP (68.7 kW)
Rated Operating Capacity	3,325 lbs (1,508 kg)
Tipping Load	6,650 lbs (3,016 kg)
Travel Speed (Std/2-Speed)	7.1 mph / 12.3 mph
Fuel Capacity	23.9 gallons (90.5 L)

Hydraulic System

Feature	Specification
Standard Flow	23 gal/min (87.1 L/min)
High Flow	36.6 gal/min (138.5 L/min)
System Relief Pressure	3,500 psi (24.1 MPa)

Dimensions

Measurement	Value
Length with Bucket	11.8 ft (3.6 m)
Width Over Tires	6.23 ft (1.9 m)
Height to Cab	6.78 ft (2.06 m)
Wheelbase	4.03 ft (1.23 m)
Ground Clearance	8.0 in (203 mm)

Maintenance & Common Issues

Regular Maintenance

Hydraulic & Fuel Filters: Inspect and replace every 250–500 hours
High-Flow Attachments: Check couplers and fittings before use
Tire and Steering Sensors: Test regularly when using all-wheel mode
Cooling System: Clean radiator and check coolant level weekly

Common Issues & Quick Fixes

All-Wheel Steering Malfunction: Often sensor-related; recalibration may be required
Hydraulic Overheating: Check flow levels, clean filters, and verify system pressure – hydraulic components available here
Turbo Lag or Reduced Power: Inspect DPF system and fuel injectors – shop engine parts

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