Cardan shaft
Type - Two- or three-section with one or two intermediate supports, front, middle and rear universal joints; constant velocity joint or elastic rubber joint (depending on the model).
Rear axle
Type - With fully or three-quarters unloaded axle shafts and hypoid main gear.
Identification:
- Bridge type "H" - Mod. 34
- Bridge type "G" - Mod. 51, mod. 51A or mod. 53
Final drive ratios:
- H-Type Axle - 3.9:1, 4.11:1, 4.56:1 or 5.14:1
- G-Type Axle - 4.63:1, 5.14:1 or 5.83:1
- Hub bearing play - G-type axle - 0.05-0.20 mm
- Type and volume of lubricant - see. "Lubricants, fluids and volumes".
Tightening torques for threaded connections
Cardan shaft - Nm
Middle support body to the bottom - 31
Connecting flange of the main transmission with the cardan shaft - 70
Connecting flange of gearbox with cardan shaft:
- Gearboxes without overdrive - 83
- Overdrive gearboxes - 75
- Universal joint fixing bolt - 40
Rear axle - Nm
- Differential housing to the axle (type "H" axle) - 62
- Differential Rear Cover Bolts (G-Type Axle) - 38
Axle bolts:
- "G"-type bridge (mod. 51A and 53) — 73
- Bridge type "G" (type 51) - 117
- Hub lock nut (Type "C" axle, mod. 51A and 53) - 75
Hub nut (see text):
- H-Type Bridge, Smooth Crown Nut - 220
- H-Type Bridge, 12-Head Nut, 50mm - 220
- Bridge type "H", duodecimal nut, 2 1/4 inches-440
- "G"-type bridge (mod. 51A and 53) with lock nut and lock washer - 85
- "G" type bridge (mod. 51), 2 1/4-inch duodecimal nut-540
Bolts for fastening the spring U-bolt to the bridge:
- Type "H" bridge - 94
- Moct type "G" - 125
Wheel nuts:
- Five-stud wheels - 85
- Six-stud wheels - 168