The New Holland TN75A tractor engine horsepower is 75 hp | 55.9 kW, PTO horsepower is 62 hp | 46.2 kW, and the drawbar horsepower is 54.7 hp | 40.8 kW.
Engine HP75 hp | 55.9 kW
PTO HP62 hp | 46.2 kW
Drawbar HP54.7 hp | 40.8 kW
PTO Transfer82.7%
Torque220 lb-ft | 298.3 Nm
Displacement179 ci | 2.9 L
New Holland TN75A Horsepower Specs
Engine gross horsepower
75 hp | 55.9 kW
Engine net horsepower
72 hp | 53.7 kW
PTO horsepower claimed
62 hp | 46.2 kW
PTO horsepower tested
64.4 hp | 48.0 kW
Drawbar horsepower tested
54.7 hp | 40.8 kW
New Holland TN75A Useful Horsepower Calculations
PTO-to-engine power transfer
82.7% of engine hp reaches the PTO
Drawbar-to-engine power transfer
72.9% of engine hp reaches the drawbar
Drawbar-to-PTO power ratio
88.2% drawbar hp vs PTO hp
Engine size per PTO horsepower
2.9 ci per PTO hp
PTO horsepower per liter
21.4 PTO hp per L
Engine size per engine horsepower
2.4 ci per engine hp
Engine horsepower per liter
25.9 engine hp per L
Torque per PTO horsepower
3.5 lb-ft per PTO hp
Rated speed per PTO horsepower
37.1 rpm per PTO hp
New Holland TN75A Engine Specs
Engine type
turbocharged diesel
Displacement
179 ci | 2.9 L
Bore and stroke
4.094×4.528 inches | 104 x 115 mm
Compression
16.5:1
Emissions
Tier 2
Rated RPM
2300
Torque
220 lb-ft | 298.3 Nm
Torque RPM
1400
New Holland TN75A Fuel, Cooling, Starting & Service Specs
Starter volts
12
Battery volts
12
New Holland TN75A Horsepower Comparison Charts
Engine horsepower comparison
This model
75 hp
Average
80 hp
Low
45 hp
High
120 hp
PTO horsepower comparison
This model
62 hp
Average
65 hp
Low
35 hp
High
105 hp
Drawbar horsepower comparison
This model
54.7 hp
Average
55 hp
Low
30 hp
High
95 hp
Displacement comparison
This model
179 ci
Average
260 ci
Low
150 ci
High
380 ci
Torque comparison
This model
220 lb-ft
Average
240 lb-ft
Low
120 lb-ft
High
420 lb-ft
Rated RPM comparison
This model
2,300 rpm
Average
2,200 rpm
Low
1,800 rpm
High
2,700 rpm
Engine size per PTO HP
This model
2.9 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 TN75A Horsepower FAQ
How much horsepower does the New Holland TN75A have?
The listed engine output is 75 hp, close to the 80 hp benchmark average. That puts the tractor in a normal working range for this benchmark group, with 75 hp as the main engine number.
How much PTO horsepower does the New Holland TN75A have?
The listed PTO output is 62 hp, close to the 65 hp benchmark average. Use 62 PTO hp as the practical implement-sizing number.
How much drawbar horsepower does the New Holland TN75A have?
The listed drawbar output is 54.7 hp, close to the 55 hp benchmark average. It gives a realistic pulling-power figure of about 54.7 hp.
How much engine power reaches the PTO on the New Holland TN75A?
The PTO-to-engine transfer works out to 82.7%, from 75 engine hp to 62 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the New Holland TN75A for pulling work?
The drawbar-to-engine transfer is about 72.9%, from 75 engine hp to 54.7 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the New Holland TN75A better judged by PTO hp or drawbar hp?
The drawbar output is about 88.2% of PTO output, comparing 54.7 drawbar hp with 62 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the New Holland TN75A engine?
The engine displacement is 179 ci, below the 260 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the New Holland TN75A engine stressed for its PTO horsepower?
The engine has about 2.9 cubic inches per PTO hp, using 179 ci and 62 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the New Holland TN75A make?
The output density is about 21.4 PTO hp per liter, using 62 PTO hp and 2.9 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 newholland.com website before buying parts, sizing implements or making repair decisions.
