The New Holland TK4050 tractor engine horsepower is 93.9 hp | 70.0 kW, and PTO horsepower is 83 hp | 61.9 kW.
Engine HP93.9 hp | 70.0 kW
PTO HP83 hp | 61.9 kW
PTO Transfer88.4%
Torque280.3 lb-ft | 380.1 Nm
Displacement274.6 ci | 4.5 L
New Holland TK4050 Horsepower Specs
Engine gross horsepower
93.9 hp | 70.0 kW
PTO horsepower claimed
83 hp | 61.9 kW
New Holland TK4050 Useful Horsepower Calculations
PTO-to-engine power transfer
88.4% of engine hp reaches the PTO
Engine size per PTO horsepower
3.3 ci per PTO hp
PTO horsepower per liter
18.4 PTO hp per L
Engine size per engine horsepower
2.9 ci per engine hp
Engine horsepower per liter
20.9 engine hp per L
Torque per PTO horsepower
3.4 lb-ft per PTO hp
Rated speed per PTO horsepower
30.1 rpm per PTO hp
New Holland TK4050 Engine Specs
Engine type
turbocharged intercooled diesel
Displacement
274.6 ci | 4.5 L
Bore and stroke
4.094×5.196 inches | 104 x 132 mm
Rated RPM
2500
Torque
280.3 lb-ft | 380.1 Nm
Torque RPM
1300
New Holland TK4050 Fuel, Cooling, Starting & Service Specs
Starter volts
12
Battery volts
12
New Holland TK4050 Horsepower Comparison Charts
Engine horsepower comparison
This model
93.9 hp
Average
80 hp
Low
45 hp
High
120 hp
PTO horsepower comparison
This model
83 hp
Average
65 hp
Low
35 hp
High
105 hp
Displacement comparison
This model
274.6 ci
Average
260 ci
Low
150 ci
High
380 ci
Torque comparison
This model
280.3 lb-ft
Average
240 lb-ft
Low
120 lb-ft
High
420 lb-ft
Rated RPM comparison
This model
2,500 rpm
Average
2,200 rpm
Low
1,800 rpm
High
2,700 rpm
Engine size per PTO HP
This model
3.3 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.
New Holland TK4050 Horsepower FAQ
How much horsepower does the New Holland TK4050 have?
The listed engine output is 93.9 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 93.9 hp.
How much PTO horsepower does the New Holland TK4050 have?
The listed PTO output is 83 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 83 hp.
How much engine power reaches the PTO on the New Holland TK4050?
The PTO-to-engine transfer works out to 88.4%, from 93.9 engine hp to 83 PTO hp. That is a normal usable range for judging PTO implement fit.
How big is the New Holland TK4050 engine?
The engine displacement is 274.6 ci, close to the 260 ci benchmark average. It is close to the normal engine-size range for this horsepower class.
Is the New Holland TK4050 engine stressed for its PTO horsepower?
The engine has about 3.3 cubic inches per PTO hp, using 274.6 ci and 83 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the New Holland TK4050 make?
The output density is about 18.4 PTO hp per liter, using 83 PTO hp and 4.5 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
How much torque does the New Holland TK4050 have?
The listed torque is 280.3 lb-ft, above the 240 lb-ft benchmark average. The 280.3 lb-ft figure is useful for lugging, loader work and heavy PTO load recovery.
Does the New Holland TK4050 have good torque for its PTO horsepower?
The torque-to-PTO-power figure is about 3.4 lb-ft per PTO hp, using 280.3 lb-ft and 83 PTO hp. A higher number usually points to a slower, gruntier working feel.
What rpm is the New Holland TK4050 rated at?
The rated speed is 2,500 rpm, above the 2,200 rpm benchmark average. A higher 2,500 rpm rating can make power well but may feel busier under load.
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 newholland.com website before buying parts, sizing implements or making repair decisions.
