HD/4000 with 870 and 877

1 & 8 o'clock position, viewed from rear




Model / Dimension mm A B C D
870/877 Assebly 5 -147.0 257.0 67.5 288.5
870/877 Assembly 3 -102.0 278.0 115.0 273.0
Location under transmission centerline is shown as a negative distance.
Direction of rotation is same as engine.


Distance from front of transmission to pump mount pad or rear face of flange.
SAE B pump mount 408.0 mm
SAE C pump mount 408.0 mm
DIN 5462 pump mount 397.8 mm
Flange DIN 100 415.9 mm
Flange DIN 120 416.6 mm
Flange 1410 (square) 416.4 mm