Memo M451
The Memo M451 is a tractor produced by Memo. It is equipped with a 172.45 ci 2.8 L engine. The listed engine power is Diesel (listed): 45 hp / 33.6 kW; Diesel (listed): 4 hp / 3.0 kW. Transmission: 8 forward and 2 reverse. Operating weight: 7714 lbs 3499 kg.
Engine Power
Diesel (listed): 45 hp / 33.6 kW; Diesel (listed): 4 hp / 3.0 kW
Fuel & Capacities
18.5 gal
70.0 L
Transmission
8 forward and 2 reverse
Operating Weight
7714 lbs
3499 kg
Overview
 | 1987 - 1988
Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Memo |
Utility tractor | |
Built in Yugoslavia | |
Memo M451 Engine | |
|---|---|
Deutz 2.8L 3-cyl diesel | |
Engine details ...  |
Memo M451 Transmission | |
|---|---|
8-speed gear | |
Transmission details ...  |
Memo M451 Power | |
|---|---|
Engine | 45 hp
33.6 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Differential lock | mechanical rear |
Power steering | |
Mechanical drum brakes | |
Open operator station. Cab available. | |
Capacity | |
|---|---|
Fuel | 18.5 gal
70.0 L |
Hydraulic system | 2.6 gal
9.8 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 2.6 gal
9.8 L |
Pressure | 2500 psi
172.4 bar |
Valves | up to 3 |
Pump flow | 9.72 gpm
36.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift | 3600 lbs
1632 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2077 |
Dimensions & Tires | |
|---|---|
Wheelbase | 78.7 inches
199 cm |
Weight | 7714 lbs
3499 kg |
Front tire | 7.5x16 |
Rear tire | 14.9x28 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Charging system | alternator |
Charging amps | 28 |
Battery volts | 12 |
References | |
|---|---|
 | |
Specifications Model M45 published by Memo |
Engine
Engine Detail — 172.45 ci / 2.8 L Diesel
Manufacturer | Deutz F3L912 |
Fuel Type | Diesel |
Configuration | 3-cylinder, air-cooled |
Displacement | 172.45 ci
2.8 L |
Bore/Stroke | 3.9x4.7 inches
99 x 119 mm |
Power | 45 hp
33.6 kW |
Compression | 17:1 |
Rated RPM | 2300 |
Torque | 121.5 lb-ft
164.8 Nm |
Torque RPM | 1500 |
Starter volts | 12 |
Starter power | 4 hp
3.0 kW |
Oil capacity | 9.5 qts
9.0 L |
Transmission
Transmission — 8 forward and 2 reverse gear
Type | gear |
Gears | 8 forward and 2 reverse |
Clutch | dry disc |
Oil capacity | 14.7 qts
13.9 L |
Dimensions
Memo M451 Tires | |
|---|---|
Ag front | 7.5x16 |
Ag rear | 14.9x28 |
Dimensions | |
|---|---|
Wheelbase | 78.7 inches
199 cm |
Length | 136.6 inches
346 cm |
Width | 69.3 inches
176 cm |
Height (steering wheel) | 70 inches
177 cm |
Weight | 7714 lbs
3499 kg |
Clearance (front axle) | 18 inches
45 cm |
Clearance (rear axle) | 21.65 inches
54 cm |
Front tread | 52 to 71.7 inches
132 to 182 cm |
Rear tread | 50 to 67.7 inches
127 to 171 cm |
Photos
Memo M451
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Memo M451.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Memo M451 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Memo M451.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare Memo M451 against same-era industry alternatives in the same horsepower class.
Current Model
Memo
Memo M451
Engine Power:Diesel (listed): 45 hp / 33.6 kW; Diesel (listed): 4 hp / 3.0 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 404
Engine Power:40.8
Production Years:1961 - 1968