Set the position control lever wrong and a mounted plow either digs in or rides out of the ground. The Guide to Lift Operation is the longest chapter in this Fiat 70-90 and 80-90 operator manual: top link mounting holes, draft and position control, gauge wheels, and check link settings, explained the way the factory intended them to be used.
The rest of the 114 pages cover the controls and instruments, engine starting, the transmission and splitter, the servicing schedule, the electrical system, and full specifications, in English under Fiat publication 603.64.164.00R. Dedicated chapters handle the 70-90 DT and 80-90 DT front axle, the splitter-reverser, the no-spin differential, the 40 kph version, and all three cab variants.
A guessed oil grade or a misread lever is how a weekend job turns into a dealer visit. Download the PDF, print the pages you need, and get the tractor back in the field before the weather turns.
Complete the set for your 70-90, 80-90
- Repair Manual: Fiat 55-90 to 100-90 Workshop Manual (incl. Wiring)
What's Inside This Fiat 70-90, 80-90 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Service | 4-7 | Authorized Shops, Repair, Overhaul, Service Assistance |
| Tractor Storage | 8 | Engine Protection, Battery Storage, Axle Propping, Tire Pressure, Fuel Tank |
| Tractor Identification Data | 9 | Frame Type, Frame Number, Engine Type, Engine Number, Tractor Data Plate |
| Safety Precautions | 10-15 | Safety Alert Sign, Safety Decals, Protective Devices, PTO Shielding, Fire Extinguisher |
| Controls and Instruments | 16-21 | Control Board, Master Clutch Lever, Reverser Lever, Throttle Lever, Gear Lever, Brake Pedals |
| Operation | 22-32 | Engine Starting, Starting and Stopping, Transmission and Splitter, Power Take-Off, Hydraulic Lift |
| Guide to Lift Operation | 33-52 | Top Link Mounting Holes, Draft Control, Position Control, Gauge Wheels, Check Link Position, Remote Control Valves, Tracks, Ballasting, Towing |
| Maintenance and Servicing Schedule | 53-61 | Seat Adjustment, Fuel System Bleeding, Brake System Bleeding, Adjustments, Cleaning, Cooling System, Panelling and Cab Maintenance |
| Electrical System | 62-63 | Battery, Alternator, Fuse Box, Starter |
| Differential Lock | 64 | Engagement, Release |
| Specifications | 65-70 | Dimensions, Speeds, Valve Gear, Cooling System, Wheels and Tires, Seat Suspension |
| 70-90 DT and 80-90 DT Four-Wheel Drive Version | 71-76 | Live Front Axle, Weights, Front Wheel Drive Operation, Front Track Adjustment, Steering Angle |
| Creeper and Synchromesh Reverser Version | 77-78 | Synchromesh Reverser, Creeper, Lever Positions, Speeds at Full Load |
| No-Spin Version | 79-81 | Locked-Differential Behaviour, Disengagement on Turns, Straight-Line Operation, Servicing Caution |
| Kph Version (DT Models) | 82-86 | Transmission Use, Creeper and Reverser Speeds, Front Axle Brake Circuit |
| Heated and Ventilated Comfort Cab Version | 87-92 | Doors, Windshield Washer, Ventilation, Heating, Cab-Version Wiring Diagram |
| Heated and Ventilated Supercomfort Cab Version | 93-100 | Windshield Washer, Side Windows, Ventilation, Heating, Super De-Luxe Seat, Cab-Version Wiring Diagram |
| Air Conditioned Supercomfort Cab Version | 101-108 | Safety Precautions, Controls, Operation, Instructions for Use, Routine Checks |
| Servicing Chart | 110 | Running-In, Compressor Drive Belts, Air Cleaner, Coolant Expansion Tank, Inspection Intervals |
| Wiring Diagram | 111 | Alternator, Battery, Fuel Gauge Sending Unit, Differential Lock Indicator, PTO Indicator, Rear Lights |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| All Models | ||
| Rated output | 26.5 litre/min | p. 69 |
| Release pressure | 230 to 238 bar | p. 57 |
| Engine Oil Change Interval | 200 hours | p. 58 |
| Engine Valve Clearance (Inlet) | 0.25 mm | p. 57 |
| Engine Valve Clearance (Exhaust) | 0.35 mm | p. 57 |
| Hydraulic Pump Output | 33.6 liter/min | p. 68 |
| Hydraulic Relief Valve Setting | 186 bar | p. 68 |
| Battery Capacity | 110 Ah | p. 70 |
| 70-90 | ||
| Engine Displacement (70-90) | 3613 cc | p. 66 |
| Max Output (70-90) | 70 HP | p. 66 |
| 80-90 | ||
| Engine Displacement (80-90) | 3908 cc | p. 66 |
| Max Output (80-90) | 80 HP | p. 66 |
