The hydraulic lift, with its draft control and lower link geometry, is the system most likely to send you hunting for this 65 page Fiat 55-85, 60-85 operator manual PDF, factory document 603.64.259.00 for both crawler tractor models. A full wiring diagram traces every circuit from battery, alternator, and starter motor through to the stop solenoid and gauge board. The operation chapter, the longest in the book, works through starting, steering clutches, PTO engagement, ballasting, and implement attachment, with separate specification pages for the 16-speed, reverser, mountain, vineyard, and orchard versions. The lift relief valve opens at 186 bar (2,702 psi); hold lower link loads under 3535 kg at the swivel bushings and service the track rollers every 50 hours. A guessed relief pressure cooks a pump. Download the text-searchable, bookmarked file, print the pages your job needs, and let them get greasy at the bench before the weather turns.
What's Inside This Operator Manual
| System | Pages | Key Topics |
|---|
| Service | 6-7 | Dealers, Repair Work, Overhaul Work, Skilled Servicemen |
| Panelling and Cab Maintenance | 8 | Weathering Protection |
| Identification Data | 9 | Frame Data, Engine Type, Serial Number, Identification Plate |
| Safety Precautions | 10-16 | Asbestos-Base Materials, PTO Shaft, Roll-Over Protection Frame, Start Inhibitor Switch, Hydraulic Systems |
| Controls and Instruments | 17-21 | Instrument Panel, Control Board, Transmission and Splitter |
| Operation | 22-39 | Starting and Stopping, Master Clutch and Steering Clutches, Seat Adjustment, Ballasting, Power Take-Off, Hydraulic Lift, Guide to Lift Operation, Implement Attachment |
| Maintenance | 40-45 | Maintenance Schedule, Cooling System, Fuel System Bleeding |
| Electrical System | 46-48 | Battery, Fuses, Headlamp Alignment |
| Specifications | 49-53 | Engine, Fuel System, Timing, Lubrication, Cooling System, Transmission |
| Speed Version | 54 | |
| Reverser Version | 55 | |
| Mountain Versions | 56 | Weights |
| Vineyard Version | 57 | Specifications, Weights |
| Orchard Version | 58 | Specifications, Dimensions, Weights, Tracks |
| Optional Variants and Accessories | 59 | Ballast Weights |
| Tractor Storage | 60-63 | Fuel Injection Pump, Engine Oil, Air Cleaner Cartridge, Cooling System, Battery, Paintwork |
| Electrical Wiring Diagram | 64-65 | Head-Lamps, Battery, Alternator, Starter Motor, Engine Stop Solenoid, Gauge Board |
Quick Reference Specifications
| Specification | Value | Page |
|---|
| All Models |
| Nut D tightening torque | 162 Nm - 16.5 kgm or 110 ft.lb | p. 27 |
| Maximum lift capacity at lower link swivel bushings | 3535 kg or 7795 lb | p. 33 |
| Maximum lift capacity at center of gravity 610 mm or 24 1/2 in from lower link swivel bushings | 1935 kg or 4267 lb | p. 33 |
| Track roller and wheel maintenance interval | 50 hours | p. 40 |
| Engine oil change interval | 200 hours | p. 41 |
| Tractor ballasting weight | 90 kg | p. 25 |
| Splined extension nut tightening torque | 162 Nm | p. 27 |
| Valve clearance (intake) | 0.30 ± 0.05 mm | p. 50 |
| Valve clearance (exhaust) | 0.30 ± 0.05 mm | p. 50 |
| CAV pump release pressure | 260 to 268 bar | p. 51 |
| 55-85 |
| Operating weight (55-85) | 2970 kg | p. 49 |
| 60-85V |
| Operating weight (60-85V) | 2860 kg | p. 49 |
