| Production | |
| Manufacturer | Massey Ferguson |
| Utility tractor | |
| Built in Coventry, England | |
| Original price | $28,900 (1988 2WD ) |
| $34,300 (1988 4WD ) | |
| Massey Ferguson 399 Engine | |
| Perkins 5.8L 6-cyl diesel | |
| Fuel tank | 33.3 gal 126.0 L |
| Massey Ferguson 399 Transmission | |
| 12-speed synchromesh | |
| Massey Ferguson 399 Power | |
| Engine | 96 hp 71.6 kW |
| PTO (claimed) | 89 hp (early) 66.4 kW |
|   | 94 hp (late) 70.1 kW |
| Drawbar (tested) | 77.4 hp 57.7 kW |
| PTO (tested) | 90.5 hp 67.5 kW |
| Mechanical | |
| Two- or four-wheel drive | |
| Power steering | |
| Wet disc brakes | |
| Two-post ROPS. Canopy optional. |
| Hydraulics | |
| Type | open center |
| Pressure | 3000 psi 206.8 bar |
| Pump flow | 7.2 gpm (linkage pump) 27.3 lpm |
|   | 9.5 gpm (aux. pump) 36.0 lpm |
| Total flow | 16.8 gpm 63.6 lpm |
| Tractor hitch | |
| Rear Type | II |
| Control | position and draft control |
| Rear lift | 4340 lbs*Capacity through full lift range 1968 kg |
| Rear lift (at ends) | 5507 lbs (telescopic ends)*Capacity with links horizontal 2497 kg |
|   | 8109 lbs (fixed ends)*Capacity with links horizontal 3678 kg |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 540/1000 (1.375) |
| Dimensions & Tires | |
| 2WD Wheelbase | 101.4 inches 257 cm |
| 4WD Wheelbase | 103.9 inches 263 cm |
| Weight | 7233 to 8029 pounds |
| Front tire | 7.50-18 |
| Rear tire | 18.4-34 (2WD) |
| 399 Serial Number Location | |
![]() | |
| Serial number plate on the right side of the tractor, near the brake pedals. |
| 399 Serial Numbers | |
| 1986 | U01001 |
| 1987 | V01001 |
| 1988 | N01001 |
| 1989 | P01001 |
| 1990 | R01001 |
| 1991 | S01001 |
| 1992 | A01001 |
| 1993 | B01001 |
| 1994 | C01001 |
| 1995 | D01001 |
| 1996 | E01001 |
| 1997 | F01001 |
FAQ: How to read a serial number table. | |
| Electrical | |
| Ground | negative |
| Charging system | alternator |
| Charging amps | 45 |
| Batteries | 2 |
| Battery CCA | 420 |
| Battery volts | 12 |
| References | |
![]() | |
| 300 published in 1986, by Massey Ferguson | |
| 300 published in 1986, by Massey Ferguson | |
| 300 Series Tractors Data Book published in 1992, by Massey Ferguson | |
| M-F 300 Series Tractor Workshop Manual (1449 244M1) published in 1991 |
| Page information | |
![]() | |
| Copyright 2025 TractorData.com® | |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on August 6, 2025 |