Industrial Engine Attachments Guide - Caterpillar

Flywheel Housings
Hydraulic Pump Drive Housing
(2 O’clock Position)
Hydraulic Pump Drive Housing
(10 & 2 O’clock Position)
Hydraulic Drive and
PTO Position and Size
N/A
N/A
N/A
Drive and PTO Torque Capability
N/A
N/A
N/A
Rear facing 23 tooth involute spline shaft
at 1 o’clock position (standard)
514 N•m (379 lb-ft)
N/A
N/A
N/A
Rear facing drives at 10 and 2 o’clock
positions. Any combination of SAE “B”
and/or “C” drives; 2 or 4 bolt mounting flange
N/A
180 N•m (133 lb-ft) for SAE “B”
580 N•m (428 lb-ft) for SAE “C” drives
a t t a c h m e n t s G U I D E 13