AxleTech TA277, Service Manual

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Introduction
1
Introduction
Operation
The TA277 is a double-reduction rigid drive axle designed for baggage and cargo tractors with short wheel bases. The TA277
is intended to replace the time-tested TA267 with a modern and elegant design to increase axle life and serviceability.
Featuring a quieter and stronger diff erential, full-fl oating axle shafts, and an all-new wheel-end design, the TA277 is the next
generation axle of an industry standard with the intent to raise market expectations by reducing downtime and total cost of
ownership.
When replacing parts, only use factory original parts and parts sets. Parts must be ordered from AxleTech International.
Any damage to parts not described in this manual must be repaired or replaced using original parts.
Technical Specifi cations
Model TA277
Capacity 6,000 lbs (2,700 kg)
Axle type Full-fl oating rigid axle
Final ratio 12.33, 14.14, 17.00, 17.57, or 20.00
Housing Ductile iron center section with steel tubes
Wheel mounting Hub piloted 8 stud - 6.50 in (165 mm) bolt circle
with a 4.74 in (120 mm) pilot diameter
Input fl ange 1310 companion fl ange or as specifi ed
Brakes Hydraulic disc, single or dual caliper, 13.0 in (330 mm)
Parking brake Optional hand lever, cable-actuated brake at input
Minimum rim size 16 in (406 mm)
Flange to fl ange 36.1 in (917 mm)
37.8 in (960 mm)
47.6 in (1,210 mm)
51.2 in (1,300 mm)
Typical axle weight 530 lbs (240 kg) for 47.6 in (1,210 mm) fl ange to fl ange
Oil Capacity 7 qt (6.62 L)