Compare/Yanmar AF645 vs Yanmar EF453

Yanmar AF645 vs Yanmar EF453

Verdict: Yanmar AF645 vs Yanmar EF453

The Yanmar AF645 and the Yanmar EF453 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 45 hp. Yanmar EF453 is the lighter machine (1,549 kg vs 2,214 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Yanmar AF645 holds more fuel (65.1 L vs 40.1 L) for longer stints between fills. Yanmar EF453 is the newer design (2009 vs 2001). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Yanmar

Fit score

Best match

Clear

Yanmar

Fit score

Best match

Clear

Rated power

45 hp

Confidence

40%

Guide price

—

Overview

Manufacturer

YanmarReference

Engine

liquid-cooledReference

With 13.6-26 rear tires. Reverse speeds are 3% faster than forward.Reference

Fuel tank

65.1 LReference

40.1 LReference

Engine

33.6 kWReference

—

Displacement

2.8 LReference

2.2 LReference

Power

33.6 kWReference

—

Rated RPM

2500Reference

2700Reference

Starter

electricReference

Starter volts

12Reference

Engine (gross)

—

33.6 kWReference

Bore/Stroke

—

88 x 90 mmReference

Power (gross)

—

33.6 kWReference

Fuel Type

—

dieselReference

No of Cylinders

—

4 cylinderReference

Rated engine speed

—

2,700 RPMReference

Bore and stroke

—

3.46x3.54 inchesReference

Cooling system

—

liquid-cooledReference

Transmission

Type

power shuttleReference

synch shuttleReference

Gears

18 forward and reverseReference

9 forward and reverseReference

Clutch

hydraulic wet discReference

260mm dry discReference

Transmission Type

—

Sync ShuttleReference

forward and reverse options

—

Synch Shuttle : 9 F and 9 RReference

Wheel Drive

—

4WDReference

PTO & Hydraulics

Rear Type

IReference

Control

position controlReference

—

Rear lift

1702 kgReference

—

Rear PTO

independentReference

—

Rear PTO Type

564/756/1073 (1.375)Reference

540 (1.375)Reference

Rear lift (at ends)

—

1349 kgReference

Engine RPM

—

741@2700Reference

Dimensions

Wheelbase

189 cmReference

183 cmReference

Weight

2214 kgReference

1549 kgReference

Front tire

8-15Reference

8-18Reference

Rear tire

13.6-28Reference

13.6-26Reference

Standard tires (ag)

Front: 8-15. Rear: 13.6-28Reference

—

Length

346 cmReference

323 cmReference

Width

160 cmReference

Height

246 cmReference

Ground clearance

35 cmReference

Front tread

119 to 148 cmReference

—

Rear tread

127 to 161 cmReference

—

Ag front

—

8-18Reference

Ag rear

—

13.6-26Reference

Electrical

Ground

negativeReference

—

Battery volts

12Reference

—

Battery AH

110Reference

—

Speeds

General

Make & Model

—

YanmarReference

Rollover protective structure

—

Two-post ROPS.Reference

Capacities

Capacity

—

133.6 ciReference

Power

Max Power

—

45 hpReference

PTO

Rear PTO Power

—

AvailableReference

Rear PTO RPM

—

540 RPMReference

Engine Speed on Rear PTO speed

—

547@2,700 RPMReference

Steering & brakes

Brakes

—

wet discReference

Steering type

—

powerReference

Hydraulics

Rear Hitch category (SAE designation)

—

Category IReference

Rear Hitch maximum lift capacity

—

1,349.9 kgReference

Dimensions & weight

Overall Height

—

246.1 cmReference

Overall Length

—

323.1 cmReference

Overall Width

—

160.5 cmReference

Overall weight

—

1,549.9 kgReference

Wheels & tyres

Rear Wheel Type

—

Ag rear - 13.6-26Reference

Front Wheel Type

—

Ag front:8-18Reference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.