The New Holland Workmaster 120 tractor engine horsepower is 120 hp | 89.5 kW, and PTO horsepower is 100 hp | 74.6 kW.
Engine HP120 hp | 89.5 kW
PTO HP100 hp | 74.6 kW
PTO Transfer83.3%
Displacement207 ci | 3.4 L
New Holland Workmaster 120 Horsepower Specs
Engine gross horsepower
120 hp | 89.5 kW
PTO horsepower claimed
100 hp | 74.6 kW
New Holland Workmaster 120 Useful Horsepower Calculations
PTO-to-engine power transfer
83.3% of engine hp reaches the PTO
Engine size per PTO horsepower
2.1 ci per PTO hp
PTO horsepower per liter
29.4 PTO hp per L
Engine size per engine horsepower
1.7 ci per engine hp
Engine horsepower per liter
35.3 engine hp per L
Rated speed per PTO horsepower
23 rpm per PTO hp
New Holland Workmaster 120 Engine Specs
Engine type
turbocharged aftercooled diesel
Displacement
207 ci | 3.4 L
Bore and stroke
3.90×4.33 inches | 99 x 110 mm
Emissions
Tier 4
Rated RPM
2300
New Holland Workmaster 120 Fuel, Cooling, Starting & Service Specs
Starter volts
12
Battery volts
12
New Holland Workmaster 120 Horsepower Comparison Charts
Engine horsepower comparison
This model
120 hp
Average
80 hp
Low
45 hp
High
120 hp
PTO horsepower comparison
This model
100 hp
Average
65 hp
Low
35 hp
High
105 hp
Displacement comparison
This model
207 ci
Average
260 ci
Low
150 ci
High
380 ci
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
2.1 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 Workmaster 120 Horsepower FAQ
How much horsepower does the New Holland Workmaster 120 have?
The listed engine output is 120 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 120 hp.
How much PTO horsepower does the New Holland Workmaster 120 have?
The listed PTO output is 100 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 100 hp.
How much engine power reaches the PTO on the New Holland Workmaster 120?
The PTO-to-engine transfer works out to 83.3%, from 120 engine hp to 100 PTO hp. That is a normal usable range for judging PTO implement fit.
How big is the New Holland Workmaster 120 engine?
The engine displacement is 207 ci, below the 260 ci benchmark average. Smaller displacement usually means less engine size behind each horsepower number.
Is the New Holland Workmaster 120 engine stressed for its PTO horsepower?
The engine has about 2.1 cubic inches per PTO hp, using 207 ci and 100 PTO hp. That is a smaller-displacement, higher-output style result.
How much PTO horsepower per liter does the New Holland Workmaster 120 make?
The output density is about 29.4 PTO hp per liter, using 100 PTO hp and 3.4 L of displacement. Higher hp/L means more output squeezed from each liter; lower hp/L usually means a more relaxed engine tune.
What rpm is the New Holland Workmaster 120 rated at?
The rated speed is 2,300 rpm, close to the 2,200 rpm benchmark average. The 2,300 rpm figure is around normal for this class.
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.
