The New Holland 4630 tractor engine horsepower is 60 hp | 44.7 kW, PTO horsepower is 55 hp | 41.0 kW, and the drawbar horsepower is 48.54 hp | 36.2 kW.
New Holland 4630 Horsepower Specs
| Engine horsepower | 60 hp | 44.7 kW |
|---|---|
| PTO horsepower claimed | 55 hp | 41.0 kW |
| PTO horsepower tested | 56.82 hp | 42.4 kW |
| Drawbar horsepower tested | 48.54 hp | 36.2 kW |
New Holland 4630 Useful Horsepower Calculations
| PTO-to-engine power transfer | 91.7% of engine hp reaches the PTO |
|---|---|
| Drawbar-to-engine power transfer | 80.9% of engine hp reaches the drawbar |
| Drawbar-to-PTO power ratio | 88.3% drawbar hp vs PTO hp |
| Engine size per PTO horsepower | 3.7 ci per PTO hp |
| PTO horsepower per liter | 16.7 PTO hp per L |
| Engine size per engine horsepower | 3.4 ci per engine hp |
| Engine horsepower per liter | 18.2 engine hp per L |
| Rated speed per PTO horsepower | 40 rpm per PTO hp |
New Holland 4630 Engine Specs
| Engine type | turbocharged diesel |
|---|---|
| Displacement | 201 ci | 3.3 L | 192 ci | 3.1 L |
| Bore and stroke | 4.40×4.40 inches | 112 x 112 mm | 4.40×4.20 inches | 112 x 107 mm |
| Compression | 16.3:1 | 16.1:1 |
| Rated RPM | 2200 |
New Holland 4630 Fuel, Cooling, Starting & Service Specs
| Starter volts | 12 |
|---|---|
| Battery volts | 12 |
New Holland 4630 Horsepower Comparison Charts
Engine horsepower comparison
PTO horsepower comparison
Drawbar horsepower comparison
Displacement 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 4630 Horsepower FAQ
How much horsepower does the New Holland 4630 have?
The listed engine output is 60 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 60 hp.
How much PTO horsepower does the New Holland 4630 have?
The listed PTO output is 55 hp, below the 65 hp benchmark average. For real use, size PTO implements below or near 55 hp rather than using a bigger engine-horsepower number.
How much drawbar horsepower does the New Holland 4630 have?
The listed drawbar output is 48.5 hp, close to the 55 hp benchmark average. It gives a realistic pulling-power figure of about 48.5 hp.
How much engine power reaches the PTO on the New Holland 4630?
The PTO-to-engine transfer works out to 91.7%, from 60 engine hp to 55 PTO hp. That is a strong transfer figure when the two specs are from the same configuration.
How efficient is the New Holland 4630 for pulling work?
The drawbar-to-engine transfer is about 80.9%, from 60 engine hp to 48.5 drawbar hp. That gives a more grounded pulling estimate than engine horsepower alone.
Is the New Holland 4630 better judged by PTO hp or drawbar hp?
The drawbar output is about 88.3% of PTO output, comparing 48.5 drawbar hp with 55 PTO hp. That helps separate pulling ability from PTO implement ability.
How big is the New Holland 4630 engine?
The engine displacement is 201 ci, below the 260 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the New Holland 4630 engine stressed for its PTO horsepower?
The engine has about 3.6 cubic inches per PTO hp, using 201 ci and 55 PTO hp. That is close to the normal benchmark for this category.
How much PTO horsepower per liter does the New Holland 4630 make?
The output density is about 16.7 PTO hp per liter, using 55 PTO hp and 3.3 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.
