Yanmar Ex450
The Yanmar Ex450 is a tractor produced by Yanmar. It is equipped with a 133.6 ci 2.2 L engine. The listed engine power is Diesel (gross): 45 hp / 33.6 kW. Transmission: 9 forward and reverse. Operating weight: 3,499 lbs 1587 kg.
Engine Power
Diesel (gross): 45 hp / 33.6 kW
Fuel & Capacities
11.3 gal
42.8 L
Transmission
9 forward and reverse
Operating Weight
3,499 lbs
1587 kg
Overview
![]() | 2012 -
Ex SeriesCompact Utility tractor |
|---|---|
2012 - | |
Ex Series | |
Compact Utility tractor | |
Production | |
|---|---|
Manufacturer | Yanmar |
Compact Utility tractor | |
Original price | $21,299 (2009) |
Yanmar Ex450 Engine | |
|---|---|
Yanmar 2.2L 4-cyl diesel | |
Engine details ... |
Yanmar Ex450 Transmission | |
|---|---|
9-speed synchronized shuttle | |
Transmission details ... |
Yanmar Ex450 Power | |
|---|---|
Engine (gross) | 45 hp
33.6 kW |
PTO (claimed) | 37.5 hp
28.0 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Steering | hydraulic power |
Wet disc brakes | |
Two-post ROPS. | |
Capacity | |
|---|---|
Fuel | 11.3 gal
42.8 L |
Front axle | 8 qts
7.6 L |
Hydraulics | |
|---|---|
Type | open center |
Valves | 2 or 3 |
Pump flow | 8.2 gpm
31.0 lpm |
Total flow | 12.7 gpm
48.1 lpm |
Steering flow | 4.5 gpm
17.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | 1 |
Control | position control |
Rear lift (at 24"/610mm) | 2,464 lbs
1117 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | live |
Clutch | dry dual stage |
Rear PTO Type | 540 |
Dimensions & Tires | |
|---|---|
Wheelbase | 72 inches
182 cm |
Weight | 3,499 lbs
1587 kg |
Front tire | 8-16 |
Rear tire | 14.9-24 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 133.6 ci / 2.2 L Diesel
Manufacturer | Yanmar |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 133.6 ci
2.2 L |
Bore/Stroke | 3.465x3.543 inches
88 x 90 mm |
Power (gross) | 45 hp
33.6 kW |
Fuel system | direct injection |
Air cleaner | dual dry elements |
Rated RPM | 2700 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 5.6 qts
5.3 L |
Coolant capacity | 4.7 qts
4.4 L |
Transmission
Transmission — 9 forward and reverse synchronized shuttle
Type | synchronized shuttle |
Gears | 9 forward and reverse |
Clutch | dual stage dry |
Oil capacity | 28 qts
26.5 L |
Dimensions
Yanmar Ex450 Tires | |
|---|---|
Ag front | 8-16 |
Ag rear | 14.9-24 |
Lawn/turf front | 27x10.5-15 |
Lawn/turf rear | 44x18-20 |
Lawn/turf front | 27x12-15 |
Lawn/turf rear | 44x16.1-22.5 |
Industrial front | 10-16.5 |
Industrial rear | 17.5-24 |
Dimensions | |
|---|---|
Wheelbase | 72 inches
182 cm |
Length | 127 inches
322 cm |
Width | 71.89 inches
182 cm |
Operating weight | 3,499 lbs
1587 kg |
Ground clearance | 13.4 inches
34 cm |
Attachments
Attachment overview | |
|---|---|
Front-end loader | |
Backhoe |
Yanmar CB85 Backhoe | |
|---|---|
Backhoe type | Yanmar CB85 Backhoe |
Digging depth | 103 inches
261 cm |
2-Foot flat digging depth | 102 inches
259 cm |
Reach from pivot | 142 inches
360 cm |
Loading height | 87 inches
220 cm |
Bucket Rotation | 180° |
Swing Arc | 180° |
Bucket force | 3,730 lbs
1691 kg |
Dipperstick force | 2,435 lbs
1104 kg |
Photos
Recommended Implements & Sizing Guide
Engineering recommendations for Yanmar Ex450 based on its 45 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Yanmar Ex450.
Estimated Continuous Field Runtime: 4.8 hrs
Approximately 4.8 hours of continuous field operation at ~75% rated power on a full tank (11.3 gal / 42.8 L).
Estimated 75% Load Fuel Burn~2.3 gal/hr (8.9 L/hr)
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
Yanmar Ex450 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Yanmar Ex450.
Converted Equivalents:
Horsepower (HP)45 hp
Kilowatts (kW)33.6 kW
Metric Horsepower (PS / CV)45.6 PS
Direct Competitor Comparison
Compare Yanmar Ex450 against same-era industry alternatives in the same horsepower class.
Current Model
Yanmar
Yanmar Ex450
Engine Power:Diesel (gross): 45 hp / 33.6 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 404
Engine Power:40.8
Production Years:1961 - 1968
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