The Massey Ferguson 4345 tractor engine horsepower is 90 hp | 67.1 kW, PTO horsepower is 75 hp | 55.9 kW, and the drawbar horsepower is 63.2 hp | 47.1 kW.
Massey Ferguson 4345 Fuel, Cooling, Starting & Service Specs
Starter volts
12
Battery volts
12
Massey Ferguson 4345 Horsepower Comparison Charts
Engine horsepower comparison
This model
90 hp
Average
80 hp
Low
45 hp
High
120 hp
PTO horsepower comparison
This model
75 hp
Average
65 hp
Low
35 hp
High
105 hp
Drawbar horsepower comparison
This model
63.2 hp
Average
55 hp
Low
30 hp
High
95 hp
Displacement comparison
This model
243.5 ci
Average
260 ci
Low
150 ci
High
380 ci
Torque comparison
This model
268 lb-ft
Average
240 lb-ft
Low
120 lb-ft
High
420 lb-ft
Rated RPM comparison
This model
2,200 rpm
Average
2,200 rpm
Low
1,800 rpm
High
2,700 rpm
Engine size per PTO HP
This model
3.2 ci/hp
Average
3.5 ci/hp
Low
2.2 ci/hp
High
5.8 ci/hp
Benchmarks use practical low, average and high ranges for the utility tractor category. Use the operator manual and actual engine/tractor configuration before sizing implements or judging working power.
Massey Ferguson 4345 Horsepower FAQ
How much horsepower does the Massey Ferguson 4345 have?
The listed engine output is 90 hp, above the 80 hp benchmark average. That is a higher-power result, so ballast, tire setup and implement width matter if you want to use the full 90 hp.
How much PTO horsepower does the Massey Ferguson 4345 have?
The listed PTO output is 75 hp, above the 65 hp benchmark average. That is the number to use for mowers, balers, augers, pumps and other PTO tools that need up to about 75 hp.
How much drawbar horsepower does the Massey Ferguson 4345 have?
The listed drawbar output is 63.2 hp, above the 55 hp benchmark average. That makes the 63.2 hp drawbar number more useful than engine hp for tillage and heavy pulling.
How much engine power reaches the PTO on the Massey Ferguson 4345?
The PTO-to-engine transfer works out to 83.3%, from 90 engine hp to 75 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the Massey Ferguson 4345 for pulling work?
The drawbar-to-engine transfer is about 70.2%, from 90 engine hp to 63.2 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the Massey Ferguson 4345 better judged by PTO hp or drawbar hp?
The drawbar output is about 84.3% of PTO output, comparing 63.2 drawbar hp with 75 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the Massey Ferguson 4345 engine?
The engine displacement is 243.5 ci, close to the 260 ci benchmark average. It is close to the normal engine-size range for this horsepower class.
Is the Massey Ferguson 4345 engine stressed for its PTO horsepower?
The engine has about 3.2 cubic inches per PTO hp, using 243.5 ci and 75 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the Massey Ferguson 4345 make?
The output density is about 18.8 PTO hp per liter, using 75 PTO hp and 4 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
Official information note
Horsepower and engine specs can vary by year, market, engine option, fuel system, test standard and tractor configuration. Check the operator manual, spec plate, parts book and official masseyferguson.com website before buying parts, sizing implements or making repair decisions.
