Manufactured By: Caterpillar

Category: Compact Track Loader

Model Number: 277B

TypeCompact Track Loader
Standard Flow22 GPM
High FlowN/A GPM
Pressure3335PSI PSI
Hydraulic HP Standard Flow42. HP
Hydraulic HP High FlowN/A HP
Engine HP82 HP
Width75 in.
Lift Capacity at 35%2065 lb.
Lift Capacity at 50%2950 lb.
Operating Weight9411 lb.
Tire Size



FOPSSAE J/ISO 3449 APR98 Level I, ISO 3449:1992 Level I
FOPS Level IISAE J/ISO 3449 APR98 Level II, ISO 3449:1992 Level II
ROPSSAE J1040 MAY94, ISO 3471:1994


Bucket Pin Height – Carry Position10 in (25 cm)
Bucket Pin Height – Maximum Lift10.2 ft (3 m)
Clearance at Max Lift and Dump7.8 ft (2 m)
Clearance at Maximum Lift and Dump93 in (236 cm)
Ground Clearance14 in (36 cm)
Height – Top of Cab6.9 ft (2 m)
Length – Track on Ground81 in (206 cm)
Length – with Bucket12.1 ft (4 m)
Length – With Bucket on Ground145 in (368 cm)
Length – without Bucket9.6 ft (3 m)
Length – Without Bucket115 in (292 cm)
Maximum Overall Height158 in (401 cm)
Maximum Reach – With Arms Parallel57.3 in (146 cm)
Overall Length – Track98 in (249 cm)
Reach at Max Lift and Dump2.3 ft (1 m)
Reach at Maximum Lift/Dump27 in (69 cm)
Turn Radius from Center – Bucket98.9 in (251 cm)
Turn Radius from Center – Coupler63.1 in (160 cm)
Turn Radius from Center – Rear60.8 in (154 cm)
Turning Radius from Center – inc bucket98.9 in (251 cm)
Turning Radius from Center – machine rear60.9 in (155 cm)
Vehicle Width75 in (191 cm)
Width Over Tracks6.3 ft (2 m)


Bore3.7 in (9 cm)
Displacement201 cu in (0 m)
Engine ModelCat 3044C DIT
Engine Power – ISO 1439680 hp (60 kw)
Gross Power82 hp (61 kw)
Gross Power – SAE J199582 hp (61 kw)
Net Power78 hp (58 kw)
Net Power – EEC 80/126978 hp (58 kw)
Net Power – ISO 9249 EEC78 hp (58 kw)
Net Power – SAE 134978 hp (58 kw)
Stroke4.7 in (12 cm)

Hydraulic System

Hydraulic FlowStandard
Hydraulic Power42.8 hp (32 kw)
Loader Hydraulic Flow22 gal/min (83 l/min)
Loader Hydraulic Pressure3335 psi
Pump Flow22 gal/min (83 l/min)
Relief Valve Pressure3335.9 psi


Breakout Force5482.9 lbs (2,487 kg)
Operating Load2949.8 lbs (1,338 kg)
Tipping Angle5899.6 °

Operating Specifications

Alternator Supplied Amperage90 A
Breakout Force – Tilt Cylinder5484 lbs (2,488 kg)
Cooling System Fluid Capacity2.7 gal (10 l)
Engine Oil Capacity2.7 gal (10 l)
Fuel Capacity25.1 gal (95 l)
Ground Contact Area2898 cu in (0 m)
Ground Pressure3.1 psi
Hydraulic System Fluid Capacity13.8 gal (52 l)
Max Speed – high range7 mph (11 kph)
Operating Voltage12 V V
Operating Weight9369.7 lbs (4,250 kg)
Rated Operating Capacities – 35% Tipping Load2065 lbs (937 kg)
Rated Operating Capacities – 50% Tipping Load2950 lbs (1,338 kg)
Tipping Load5900 lbs (2,676 kg)

Power Train

Travel Speed Forward7 mph (11 kph)
Travel Speed Reverse7 mph (11 kph)

Service Refill Capacities

Cooling System2.6 gal (10 l)
Engine Crankcase2.6 gal (10 l)
Fuel Tank25.1 gal (95 l)
Hydraulic System13.7 gal (52 l)
Hydraulic Tank9.2 gal (35 l)


Ground Contact Area2898.6 cu in (0 m)
Ground Pressure3.2 psi
Length of Track on Ground6.8 ft (2 m)


Operating Weight9411 lbs (4,269 kg)