1990 Ford FT900 Service and Repair Manual
This factory service and repair manual for the 1990 Ford FT900 is built around one diesel, the turbocharged 7.8L inline-six, and two very different trucks that share it: a low tilt tractor and a medium conventional straight truck, both listed in Base trim. A tilt cab changes how the engine is reached and how the cab hardware is serviced, so the book keeps those procedures distinct while the engine, driveline and brake specifications run common to both.
Engines covered
- 7.8L inline-six (473 cu in) — turbocharged, diesel
Body styles covered
- Tractor truck, low tilt
- Straight truck, medium conventional
Trims covered
- Base
Known issues on the 1990 FT900. There are no recalls on federal record for this truck and no owner complaints logged with NHTSA. Ordinary service work is what the manual covers, then: the turbocharged 7.8L inline-six from injection pump to turbocharger, the cooling and lubrication figures that keep it alive under load, tilt cab hardware on the low tilt tractor, and brake, driveline and wiring diagnostics on both body styles, each with its own torque values.
