JLG 3508PS - Manual (Page 170)

ENGINE & ATTACHING PARTS
3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9 31200204 4-38
Figure 4-13 Transmission Assembly - Pump Drive Group
8
4
3
7
5
1
6
2
4
PZ1170
3 & 4 SPEED