Same brandUtility tractorsSpec sheet
New Holland Workmaster 55
The New Holland Workmaster 55 is a utility tractor built from 2009 to 2014. It's powered by a 4-cylinder ISM Diesel engine that's turbocharged and liquid-cooled. The engine has 49.36 hp and runs at 2700 rpm, which is very high compared to other tractors. It has average power output and below-average engine size for its class. This tractor has an 8-forward and 8-reverse gear transmission, making it versatile for different tasks. It features a three-point hitch with a lifting capacity of 2580 lb, which is above average. The Workmaster 55 has a PTO that spins at 540 rpm and uses hydrostatic power steering for easy control. It weighs 4385 lb, which is about average for similar tractors. The tractor comes with a two-post foldable ROPS for safety and has wet disc brakes for reliable stopping power.
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Key specifications
- Category
- Utility
- Engine power
- 49hp
- Operating weight
- 4,385 lb
Category comparison
Workmaster 55 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
49.36 hp · 44th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The Workmaster 55 ranks at the 44th percentile for engine power among recorded utility tractors.
Overview
About the New Holland Workmaster 55
The New Holland Workmaster 55 is a utility tractor built from 2009 to 2014. It's powered by a 4-cylinder ISM Diesel engine that's turbocharged and liquid-cooled. The engine has 49.36 hp and runs at 2700 rpm, which is very high compared to other tractors. It has average power output and below-average engine size for its class. This tractor has an 8-forward and 8-reverse gear transmission, making it versatile for different tasks. It features a three-point hitch with a lifting capacity of 2580 lb, which is above average. The Workmaster 55 has a PTO that spins at 540 rpm and uses hydrostatic power steering for easy control. It weighs 4385 lb, which is about average for similar tractors. The tractor comes with a two-post foldable ROPS for safety and has wet disc brakes for reliable stopping power.
Full specifications
Recorded specifications
General
| Manufacturer | New Holland |
|---|---|
| Model | Workmaster 55 |
| Category | Utility tractor |
| Years built | 2009–2014 |
| Operating weight | 4,385lb(1,989 kg) |
Engine
| Make | ISM Diesel |
|---|---|
| Power | 49.36hp(36.81 kW) |
| Cylinders | 4 |
| Displacement | 135ci(2.21 L) |
| Bore | 3.31in(84 mm) |
| Stroke | 3.94in(100 mm) |
Transmission
| Forward gears | 8 |
|---|---|
| Reverse gears | 8 |
Chassis & drive
| Steering | Hydrostatic power |
|---|---|
| Brakes | Differential mechanical wet disc |
| Cab | Two-post foldable ROPS |
Hydraulics
| Type | Direct engine drive |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Width | 67.3in(1,709 mm) |
|---|---|
| Height | 95.7in(2,431 mm) |
| Operating weight | 4,385lb(1,989 kg) |
Tires
| Front | 9.5-24ConvertShop size |
|---|---|
| Rear | 14.9-28ConvertShop size |
Closest alternatives
Workmaster 55 compared with the nearest models by horsepower
Among utility tractors, the Deutz-Fahr 4050E and the Deutz-Fahr 4050E Keyline are closest to the New Holland Workmaster 55 in rated horsepower. The Deutz-Fahr 4050E matches it on rated power and weighs 1,130 lb more, at 112 lb per horsepower against 89 lb. It entered production in 2018, 9 years after the Workmaster 55. The Deutz-Fahr 4050E Keyline matches it on rated power and weighs 250 lb more. It entered production in 2018, 9 years after the Workmaster 55. Of the 3 models, the Workmaster 55 has the lowest weight per horsepower at 89 lb per hp.
| Spec | New Holland Workmaster 55 | Deutz-Fahr 4050E | Deutz-Fahr 4050E Keyline |
|---|---|---|---|
| Engine power | 49.4 hp36.8 kW | 49.4 hp36.8 kW | 49.4 hp36.8 kW |
| Operating weight | 4,385 lb1,989 kg | 5,516 lb2,502 kg | 4,630 lb2,100 kg |
| Weight per hp | 89 lb/hp54 kg/kW | 112 lb/hp68 kg/kW | 94 lb/hp57 kg/kW |
| Displacement | 135 ci2.21 L | 183.1 ci3 L | 183.1 ci3 L |
| Cylinders | 4 | 3 | 3 |
| Transmission | - | Partially synchronized | Gear / Creeper / Partially Synchronized |
| Drive | - | 2WD | 2WD |
| Years built | 2009-2014 | 2018+ | 2018+ |
Calculators
Calculators for the Workmaster 55
PTO power
About 41 to 44 PTO hp
Estimated from the 49.36 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 49.36 hp tractor can run
Maximum size is about a 6 ft rotary cutter or a 5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
103 lb per PTO hp as listed
Heavy draft work calls for 120 to 135 lb/hp. The calculator gives the ballast to add.
Units
49.36 hp is 36.8 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Tires
Convert the 14.9-28 tire size
The calculator gives diameter, rolling circumference and the metric or inch equivalent.
Parts and manuals
Parts and manuals for the New Holland Workmaster 55
Each link opens a retailer search keyed to the fields recorded for this model. Confirm fitment against the serial plate before ordering.
Filters
- Oil filter for the ISM DieselAmazon
Fits the ISM Diesel 4-cylinder no. 2 diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Air filter for the ISM DieselAmazon
Fits the ISM Diesel 4-cylinder no. 2 diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Fuel filter for the ISM DieselAmazon
Fits the ISM Diesel 4-cylinder no. 2 diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Hydraulic filter for the ISM DieselAmazon
Fits the ISM Diesel 4-cylinder no. 2 diesel engine listed for this model. Confirm the part number against the engine serial plate.
Manuals
- New Holland Workmaster 55 service and repair manualseManualOnline
Digital manuals. Built 2009 to 2014. Check the serial number range on the listing.
- New Holland Workmaster 55 operator's manualAmazon
Printed and reprint manuals. Built 2009 to 2014. Check the serial number range on the listing.
- New Holland Workmaster 55 service manualAmazon
Shop and repair manuals for this model.
Tires
- 9.5-24 tiresAmazon
Listed front tire size for the New Holland Workmaster 55.
- 14.9-28 tiresAmazon
Listed rear tire size for the New Holland Workmaster 55.
Links in this section go to retailers. A purchase through them earns this site a commission at no extra cost to the buyer. As an Amazon Associate, Heavy Equipment Specs earns from qualifying purchases. Affiliate disclosure
Category medians
Workmaster 55 vs. Utility median
New Holland Workmaster 55 compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 49.4 hp | 55 hp | -10% | 44th |
| Engine Displacement | 135 ci | 183 ci | -26% | 33rd |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 8 | 12 | -33% | 23rd |
| Operating Weight | 4,385 lb | 5,303 lb | -17% | 42nd |
| Width | 67.3 in | 66 in | +2% | 54th |
| Height | 95.7 in | 94.1 in | +2% | 54th |
| 3-Point Hitch Capacity | 2,580 lb | 3,197 lb | -19% | 33rd |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 1,083–5,720 models).
Same manufacturer
Other New Holland models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
What years was the New Holland Workmaster 55 manufactured?
Production of the New Holland Workmaster 55 ran from 2009 through 2014.
How powerful is the New Holland Workmaster 55?
The New Holland Workmaster 55 has an engine power output of 49.36 hp. It is powered by a 4-cylinder engine displacing 135 ci.
What is the working weight of the New Holland Workmaster 55?
The operating weight of the New Holland Workmaster 55 is approximately 4,385 lb.
What hydraulics does the New Holland Workmaster 55 have?
The New Holland Workmaster 55 uses a Direct engine drive hydraulic system.
What are the factory tire sizes for the New Holland Workmaster 55?
The New Holland Workmaster 55 comes with 9.5-24 front tires and 14.9-28 rear tires.
What three-point hitch category does the New Holland Workmaster 55 use?
The New Holland Workmaster 55 has a Category II/I three-point hitch rated to lift 2,580 lb.
What routine service does the New Holland Workmaster 55 need?
Regular maintenance for the New Holland Workmaster 55 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.