New Holland TN70A

The New Holland TN70A is a tractor produced by New Holland. It is equipped with a 179 ci 2.9 L engine. The rated power output is 67 hp 50.0 kW. Transmission: Synchro Command Plus. Operating weight: 5020 to 5975 pounds.

Overview

	2004 - 2008 TN-A SeriesUtility tractor
2004 - 2008
TN-A Series
Utility tractor

Production
Manufacturer	New Holland
Utility tractor
Built in Jesi, Italy

Variants
TN70A	ROPS
TN70DA	cab
TN70SA	SuperSteer
JX1070C	similar CaseIH model

New Holland TN70A Engine
Iveco 2.9L 3-cyl diesel
Fuel tank	23 gal 87.1 L
Engine details ...

New Holland TN70A Power
Engine (gross)	70 hp 52.2 kW
Engine (net)	67 hp 50.0 kW
PTO (claimed)	57 hp 42.5 kW
Drawbar (tested)	51.6 hp 38.5 kW
PTO (tested)	60.7 hp 45.3 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Differential lock	mechanical rear
Steering	hydrostatic power
Differential wet disc brakes
ROPS. Canopy optional

Hydraulics
Type	open center
Pressure	2755 psi 190.0 bar
Valves	1 to 4
Pump flow	12.8 gpm 48.4 lpm
	16.9 gpmOptOptional 64.0 lpm
Steering flow	7.4 gpm 28.0 lpm
	9.4 gpm (with power shuttle) 35.6 lpm

Tractor hitch
Rear Type	II/I
Rear lift (at 24"/610mm)	3960 lbs 1796 kg

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

Dimensions & Tires
2WD Wheelbase	81.5 inches 207 cm
4WD Wheelbase	78.9 inches 200 cm
Weight	5020 to 5975 pounds
Full dimensions and tires ...

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

References
TN-A Series Utility Tractors published in 2005, by New Holland
TN-A Series Utility Tractors published in 2006, by New Holland

Engine

Engine Detail — 179 ci / 2.9 L Diesel

Manufacturer	Iveco
Configuration	turbocharged diesel, 3-cylinder, liquid-cooled
Displacement	179 ci 2.9 L
Bore/Stroke	4.094x4.528 inches 104 x 115 mm
Emissions	Tier 2
Power (net)	67 hp 50.0 kW
Power (gross)	70 hp 52.2 kW
Fuel use	3.88 gal/hour 14.7 l/hour
Air cleaner	dual paper elements
Compression	18:1
Rated RPM	2300
Torque	213 lb-ft 288.8 Nm
Torque RPM	1400
Starter	electric
Starter volts	12

Transmission

Transmission options
8-speed constant mesh with mechanical shuttle
12-speed partially synchronized with mechanical shuttle
16-speed partially synchronized with mechanical shuttle
16-speed partially synchronized with power shuttle

Transmission — 8 forward and reverse constant mesh with mechanical shuttle

Type	constant mesh with mechanical shuttle
Gears	8 forward and reverse
Clutch	280mm dry cerametallic plate
Left-hand synchronized mechanical shuttle requires clutching.

Transmission — Synchro Command

Transmission	Synchro Command
Type	partially synchronized with mechanical shuttle
Gears	12 forward and reverse
Clutch	280mm dry cerametallic plate
Four synchronized gears with three ranges. Left-hand synchronized mechanical shuttle requires clutching.

Transmission — Synchro Command Plus

Transmission	Synchro Command Plus
Type	partially synchronized with mechanical shuttle
Gears	16 forward and reverse
Clutch	280mm dry cerametallic plate
Left-hand synchronized mechanical shuttle requires clutching.

Transmission — Synchro Command Plus

Transmission	Synchro Command Plus
Type	partially synchronized with power shuttle
Gears	16 forward and reverse
Clutch	six 113mm wet organic discs
Left-hand clutchless power shuttle.

Dimensions

New Holland TN70A Tires

Dimensions
2WD Wheelbase	81.5 inches 207 cm
4WD Wheelbase	78.9 inches 200 cm
2WD Length	153.3 inches 389 cm
4WD Length	151.6 inches 385 cm
Width	67.2 inches 170 cm
Height (ROPS)	95.1 inches 241 cm
Height (Folded ROPS)	75.1 inches 190 cm

New Holland TN70A Weight
2WD Shipping	5020 lbs 2277 kg
4WD Shipping	5415 lbs 2456 kg
4WD Operating	5975 lbs 2710 kg
Ballasted	7055 lbs 3200 kg

Tests

OCED Tractor Test 2164
Diesel 16-speed 4WD March 1 - May 1, 2004 Link: OCED Tractor Test 2164 file
PTO performance
Max power	60.7 hp 45.3 kW
Fuel use	3.8 gal/hour 14.4 l/hour
Power at rated engine speed	59.5 hp 44.4 kW
Fuel use	3.9 gal/hour 14.8 l/hour
Power at rated PTO speed	60.3 hp 45.0 kW
Fuel use	3.7 gal/hour 14.0 l/hour
Drawbar performance
Max power	51.6 hp 38.5 kW
Fuel use	3.7 gal/hour 14.0 l/hour
Gear 3M Hi used for power test.
Max pull	6,055 lbs 2746 kg
Gear 2M Lo used for pull test.

Photos

New Holland TN70A

New Holland TN70A

New Holland TN70A

New Holland TN70A