FiatAllis FD255, D255-1T Crawler Dozer Service Manual (incl. Wiring)

$19.95 USD · one-time payment

Model: FD255 | D255-1T
Type: crawler dozer
464 Pages·26 MB·Searchable PDF·English·Print-Ready
  • ✓ Wiring Diagrams
  • ✓ Hydraulic Schematics
  • ✓ Torque Specs
  • ✓ Bookmarks
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Fiat-hitachi FD 255, D 255-1T engine disassembly diagram showing numbered components and removal procedures.
FiatAllis FD255, D255-1T Crawler Dozer Service Manual (incl. Wiring)
$19.95

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Pulled from the factory shelf, this 464-page Fiat-hitachi FD 255 Service Manual PDF walks you through every system on the crawler dozer, from engine rebuild to steering clutches, final drives, and undercarriage. You get full wiring diagrams for the electrical system, hydraulic schematics for the blade and ripper circuits, and a real troubleshooting section spanning engine, transmission, steering, brakes, and hydraulics. Inside: exploded views, page after page of torque tables and clearance data, plus hour-based maintenance schedules from 10 to 3000 hours. Fill the engine with AMBRA SUPER 15W40, then pull grade-10 M10 x 1.5 nuts to 5 daNm before you button anything up. A dozer sitting dead in the yard earns nothing. Bookmarked with a genuine text layer; search any spec, jump to any section, and get your tracks turning again.

What's Inside This Manual

SystemPagesKey Topics
Safety Rules and Decals3-24General Safety, Start-Up, Operating and Shutdown Precautions, List and Position of Safety Decals
Identification and Specifications11-17Serial Numbers and Identification Data, Engine, Power Train, Undercarriage and Hydraulic Specifications, Operating Weights
Controls, Instruments and Operating Instructions25-47Controls and Instrument Panel, Starting and Stopping the Engine, Fuel Reservoir, Cab Heating and Ventilation
Machine Operation48-62Dozing, Ripping, Towing and Transport, Working on Slopes, Operating Techniques
Maintenance Schedule63-81Every 250 / 500 / 1000 / 2000 Hours, When-Required Tasks, Lubrication Points, Filter and Fluid Changes
Electrical System and Troubleshooting (Operator Section)82-94Fuses, Master Switch, Batteries, Operator-Level Troubleshooting, List of Residual Dangers
Generalities and Technical Data95-128Technical Data Tables, Standard Torque Values, Lubricant Grades, General Service Instructions
Engine129-213Troubleshooting, Removal and Installation, Cylinder Head and Valves (Head Bolt 100 Nm, Intake Clearance 0.25 Mm), Cooling and Fuel Systems, Net Flywheel Power 177 kW @ 2100 RPM
Transmission214-287General Description, Troubleshooting, Torque Converter, Clutch Packs, Control Valve, Disassembly and Assembly, Pressure Tests
Steering Clutches and Brakes288-343General Description, Troubleshooting, Steering Clutch Disassembly, Brake Bands and Linkage, Adjustment Procedures
Final Drives and Sprockets344-362Disassembly and Inspection, Bearings and Seals, Sprocket Segments, Wear Limits
Undercarriage363-397Track Chains, Track Adjustment Mechanism, Rollers and Idlers, Track Frame, Wear Measurement
Hydraulic System for Bulldozer Equipment398-437Blade Tilt and Lift Circuits, Rapid-Release Coupling, Hydraulic Pump and Control Valve, Cylinders, Pressure Tests
Electrical System (Service Section)438-464Wiring Diagrams, Fuses and Relays, Master Switch, Starting and Charging Circuits, Instruments and Sensors

Quick Reference Specifications

SpecificationValuePage
Engine oil typeAMBRA SUPER 15W40p. 85
NUTS (ZNT) Strenghth grade: 10 (R 80) M10 x 1.5 low type5 daNmp. 212
NUTS (ZNT) Strenghth grade: 10 (R 80) M10 x 1.5 with polyamide ring low type6 daNmp. 415
Total capacity at 1st filling22 litresp. 204
Net Flywheel Power (ISO 2534)177 Kw at 2100 rpmp. 13
Max. Torque101 daNm at 1400 rpmp. 13
Operating Weight (with semi-U (HSU) blade and ROPS cab)27000 Kgp. 106
Cylinder Head Bolt Tightening Torque (First phase)100 Nmp. 202
Valve Clearance - Intake0.25 mmp. 13
BrandFiatAllis
ModelFD255, D255-1T
Machine Typecrawler dozer
Manual TypeService Manual
LanguageEnglish
FormatSearchable PDF (Digital Download)
Pages464
File Size26 MB
Manual No.604.02.214
Wiring DiagramsYes
Hydraulic SchematicsYes
Torque SpecificationsYes
Bookmarked / IndexedYes