New Holland TN55

The New Holland TN55 is a tractor produced by New Holland. It is equipped with a 179 ci 2.9 L engine. The rated power output is 50 hp 37.3 kW. Transmission: Dual Command. Operating weight: 4565 to 5675 pounds.

Overview

	1999 - 2004 TN SeriesUtility tractor
1999 - 2004
TN Series
Utility tractor

Production
Manufacturer	New Holland
Utility tractor
Built in Jesi, Italy
Original price was $30,000 in 2000

Variants
TN55	ROPS
TN55D	cab
TN55S	SuperSteer

New Holland TN55 Engine
Iveco 2.9L 3-cyl diesel
Engine details ...

New Holland TN55 Power
Engine (gross)	53 hp 39.5 kW
Engine (net)	50 hp 37.3 kW
PTO (claimed)	42 hp 31.3 kW
Drawbar (tested)	35.3 hp 26.3 kW
PTO (tested)	43.0 hp 32.1 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Final drives	planetary
Power steering
Differential hydraulic wet disc brakes
Two-post folding ROPS. Cab optional.

Capacity
Fuel	17.3 gal 65.5 L
Hydraulic system	11.1 gal 42.0 L

Hydraulics
Type	open center
Capacity	11.1 gal 42.0 L
Pressure	2755 psi 190.0 bar
Valves	1 or 2
Pump flow	12.4 gpm 46.9 lpm
	16.9 gpmOptOptional 64.0 lpm
Steering flow	7.2 gpm 27.3 lpm
	9.2 gpm*With power shuttle transmission option. 34.8 lpm

Tractor hitch
Rear Type	II
Rear lift (at 24"/610mm)	3962 lbs 1797 kg

Power Take-off (PTO)
Rear PTO	independent
Clutch	dry disc
Rear PTO Type	540 (1.375)

Dimensions & Tires
2WD ROPS Wheelbase	81.5 inches 207 cm
4WD ROPS Wheelbase	78.9 inches 200 cm
2WD Cab Wheelbase	83.9 inches 213 cm
4WD Cab Wheelbase	81.3 inches 206 cm
4WD SuperSteer Wheelbase	93.5 inches 237 cm
Weight	4565 to 5675 pounds
Front tire	7.50-16
2WD Rear tire	14.9-28
Full dimensions and tires ...

Electrical
Ground	negative
Charging system	alternator
ROPS Charging amps	45
Cab Charging amps	65
Battery CCA	730
Battery volts	12

References
New Holland TND/TNS Tractors published in 1998
New Holland TN/TND/TNS Tractors published in 2002
New! New Holland TND/TNS Tractors 42 to 62 PTO hp published in 1998
TN55D TN65D TN75D TN55S TN65S TN75S Operator's Manual (86572984) published in 1998

Engine

Engine Detail — 179 ci / 2.9 L Diesel

Manufacturer	Iveco 8035
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	179 ci 2.9 L
Bore/Stroke	4.094x4.528 inches 104 x 115 mm
Power (net)	50 hp 37.3 kW
Power (gross)	53 hp 39.5 kW
Air cleaner	dual paper elements
Compression	18:1
Rated RPM	2300
Torque	148 lb-ft 200.7 Nm
Torque RPM	1400
Starter volts	12

Transmission

Transmission options
8-speed gear
8-speed partially synchronized
16-speed partially synchronized
32-speed two-speed power shift

Transmission — 8 forward and reverse gear

Type	gear
Gears	8 forward and reverse
Clutch	280mm dry disc
Four gears (1-4) in two ranges (A/B) with mechanical shuttle. Non-synchronized transmission, available only on the base TN55 model.
With 14.9-28 rear tires and 30 KPH transmission.

Transmission — Synchro Command

Transmission	Synchro Command
Type	partially synchronized
Gears	8 forward and reverse
Clutch	dry disc (mechanical shuttle)
	wet disc (power shuttle)
Four synchronized gears (1-4) in two ranges (A/B). Available as either mechanical shuttle or power shuttle.
With 14.9-28 rear tires and 30 KPH transmission.

Transmission — Synchro Command Plus

Transmission	Synchro Command Plus
Type	partially synchronized
Gears	16 forward and reverse
Clutch	dry disc (mechanical shuttle)
	wet disc (power shuttle)
Four synchronized gears (1-4) in four ranges (A-D). Available as either mechanical shuttle or power shuttle. Standard transmission on the TN55D and TN55S.
With 14.9-28 rear tires and 30 KPH transmission.

Transmission — Dual Command

Transmission	Dual Command
Type	two-speed power shift
Gears	32 forward and 16 reverse
Clutch	wet discs
Four synchronized gears (1-4) in four ranges (A-D) with two-speed push-button power shift. Left-hand power shuttle.
With 14.9-28 rear tires and 30 KPH transmission.

Dimensions

New Holland TN55 Tires
2WD Standard tires (ag)	Front: 7.50-16. Rear: 14.9-28
4WD Standard tires (ag)	Front: 8.3-24. Rear: 14.9-28

Dimensions
2WD ROPS Wheelbase	81.5 inches 207 cm
4WD ROPS Wheelbase	78.9 inches 200 cm
2WD Cab Wheelbase	83.9 inches 213 cm
4WD Cab Wheelbase	81.3 inches 206 cm
4WD SuperSteer Wheelbase	93.5 inches 237 cm
Length	155 inches 393 cm
Width	67.2 inches*Minimum width. 170 cm

New Holland TN55 Weight
2WD ROPS Shipping	4565 lbs 2070 kg
4WD ROPS Shipping	5040 lbs 2286 kg
2WD Cab Shipping	4930 lbs 2236 kg
4WD Cab Shipping	5530 lbs 2508 kg
SuperSteer ROPS Shipping	5235 lbs 2374 kg
SuperSteer Cab Shipping	5675 lbs 2574 kg

New Holland TN55 Height
ROPS	95.1 inches 241 cm
Cab	90.8 inches 230 cm
Exhaust	90 inches 228 cm

Tests

OCED Tractor Test 1900
Diesel 8-speed 4WD April 1999 - November 1999, Link: OCED Tractor Test 1900 file
PTO performance
Power at rated engine speed	43.0 hp 32.1 kW
Fuel use	2.7 gal/hour 10.2 l/hour
Power at rated PTO speed	42.6 hp 31.8 kW
Fuel use	2.6 gal/hour 9.8 l/hour
Drawbar performance
Max power	35.3 hp 26.3 kW
Fuel use	2.7 gal/hour 10.2 l/hour
Gear 4S used for power test.
Max pull	6,375 lbs 2891 kg
Gear 2S used for pull test.

Attachments

Attachment overview
New Holland 32LA loader
New Holland 32LA MSL loader
New Holland 33LA loader
New Holland 33LA MSL loader
The 32LA loader fit TN and TND models, the 33LA fit TNS SuperSteer tractors.

Photos

New Holland TN55, right profile

New Holland TN55, front-left view