The New Holland TN70 tractor engine horsepower is 69 hp | 51.5 kW, PTO horsepower is 57 hp | 42.5 kW, and the drawbar horsepower is 53.3 hp | 39.7 kW.
New Holland TN70 Horsepower Specs
| Engine gross horsepower | 69 hp | 51.5 kW |
|---|---|
| Engine net horsepower | 65 hp | 48.5 kW |
| PTO horsepower claimed | 57 hp | 42.5 kW |
| PTO horsepower tested | 60.1 hp | 44.8 kW |
| Drawbar horsepower tested | 53.3 hp | 39.7 kW |
New Holland TN70 Useful Horsepower Calculations
| PTO-to-engine power transfer | 82.6% of engine hp reaches the PTO |
|---|---|
| Drawbar-to-engine power transfer | 77.2% of engine hp reaches the drawbar |
| Drawbar-to-PTO power ratio | 93.5% drawbar hp vs PTO hp |
| Engine size per PTO horsepower | 3.1 ci per PTO hp |
| PTO horsepower per liter | 19.7 PTO hp per L |
| Engine size per engine horsepower | 2.6 ci per engine hp |
| Engine horsepower per liter | 23.8 engine hp per L |
| Torque per PTO horsepower | 3.4 lb-ft per PTO hp |
| Rated speed per PTO horsepower | 40.4 rpm per PTO hp |
New Holland TN70 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 | 18:1 |
| Rated RPM | 2300 |
| Torque | 195 lb-ft | 264.4 Nm |
| Torque RPM | 1400 |
New Holland TN70 Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
New Holland TN70 Horsepower Comparison Charts
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Displacement comparison
Torque comparison
Rated RPM comparison
Engine size per PTO 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 TN70 Horsepower FAQ
How much horsepower does the New Holland TN70 have?
The listed engine output is 69 hp, below the 80 hp benchmark average. That is a lower-power result, so the smarter match is lighter implements and jobs that do not demand more than about 69 hp.
How much PTO horsepower does the New Holland TN70 have?
The listed PTO output is 57 hp, below the 65 hp benchmark average. For real use, size PTO implements below or near 57 hp rather than using a bigger engine-horsepower number.
How much drawbar horsepower does the New Holland TN70 have?
The listed drawbar output is 53.3 hp, close to the 55 hp benchmark average. It gives a realistic pulling-power figure of about 53.3 hp.
How much engine power reaches the PTO on the New Holland TN70?
The PTO-to-engine transfer works out to 82.6%, from 69 engine hp to 57 PTO hp. That is a normal usable range for judging PTO implement fit.
How efficient is the New Holland TN70 for pulling work?
The drawbar-to-engine transfer is about 77.2%, from 69 engine hp to 53.3 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the New Holland TN70 better judged by PTO hp or drawbar hp?
The drawbar output is about 93.5% of PTO output, comparing 53.3 drawbar hp with 57 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the New Holland TN70 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 TN70 engine stressed for its PTO horsepower?
The engine has about 3.1 cubic inches per PTO hp, using 179 ci and 57 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the New Holland TN70 make?
The output density is about 19.7 PTO hp per liter, using 57 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.
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.
