Memo
Memo M451
The Memo M451 is a utility tractor produced from 1987 to 1988 in Yugoslavia. It features a Deutz 2.8L 3-cylinder air-cooled diesel engine producing 45 hp (33.6 kW). The tractor has an 8-speed gear transmission with 2 reverse gears and a dry disc clutch. It is a two-wheel drive tractor with mechanical rear differential lock, power steering, and mechanical drum brakes. The operator station is open with an optional cab available. The hydraulic system is open center type with a capacity of 2.6 gallons and pressure of 2500 psi. The rear hitch is type I with a lift capacity of 3600 lbs. The rear PTO is live with a 540 RPM type. Dimensions include a wheelbase of 78.7 inches, length of 136.6 inches, width of 69.3 inches, and height of 70 inches at the steering wheel. The tractor weighs 7714 lbs. Tires are 7.5x16 front and 14.9x28 rear. Electrical system includes a 12-volt battery and 28 amp alternator charging system.
Power45 hp
Founded1987 - 1988
ModelM451
Technical Specifications
Detailed specifications and technical data for Memo M451
Power
| Engine | 45 hp (33.6 kW) |
|---|
Engine
| Type | diesel |
|---|---|
| Model | Deutz F3L912 |
| Power | 45 hp (33.6 kW) |
| Torque | 121.5 lb-ft (164.8 Nm) |
| Cooling | air-cooled |
| Cylinders | 3-cylinder |
| Rated RPM | 2300 |
| Torque RPM | 1500 |
| Bore/Stroke | 3.9x4.7 inches (99 x 119 mm) |
| Compression | 17:1 |
| Displacement | 172.45 ci (2.8 L) |
| Oil capacity | 9.5 qts (9.0 L) |
| Starter power | 4 hp (3.0 kW) |
| Starter volts | 12 |
Capacity
| Fuel | 18.5 gal (70.0 L) |
|---|---|
| Hydraulic system | 2.6 gal (9.8 L) |
Electrical
| Battery volts | 12 |
|---|---|
| Charging amps | 28 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | up to 3 |
| Capacity | 2.6 gal (9.8 L) |
| Pressure | 2500 psi (172.4 bar) |
| Pump flow | 9.72 gpm (36.8 lpm) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical drum brakes |
| Power steering | Yes |
| Operator station | Open operator station. Cab available. |
| Differential lock | mechanical rear |
Production
| Type | Utility tractor |
|---|---|
| Built in | Yugoslavia |
| Years produced | 1987 - 1988 |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | dry disc |
| Oil capacity | 14.7 qts (13.9 L) |
Tractor hitch
| Rear Type | I |
|---|---|
| Rear lift | 3600 lbs (1632 kg) |
Dimensions & Tires
| Width | 69.3 inches (176 cm) |
|---|---|
| Length | 136.6 inches (346 cm) |
| Weight | 7714 lbs (3499 kg) |
| Rear tire | 14.9x28 |
| Wheelbase | 78.7 inches (199 cm) |
| Front tire | 7.5x16 |
| Rear tread | 50 to 67.7 inches (127 to 171 cm) |
| Front tread | 52 to 71.7 inches (132 to 182 cm) |
| Clearance (rear axle) | 21.65 inches (54 cm) |
| Clearance (front axle) | 18 inches (45 cm) |
| Height (steering wheel) | 70 inches (177 cm) |
Power Take-off (PTO)
| Rear PTO | live |
|---|---|
| Engine RPM | 540@2077 |
| Rear PTO Type | 540 (1.375) |