New Holland TN85A

The New Holland TN85A is a tractor produced by New Holland. It is equipped with a 274 ci 4.5 L engine. The listed engine power is Diesel (gross): 80 hp / 59.7 kW. Transmission: Synchro Command Plus. Operating weight: 6008 to 6118 pounds.

Engine Power

Diesel (gross): 80 hp / 59.7 kW

Fuel & Capacities

23.5 gal 88.9 L

Transmission

Synchro Command Plus

Operating Weight

6008 to 6118 pounds

Overview

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

Production
Manufacturer	New Holland
Utility tractor
Built in Jesi, Italy

Variants
TN85A	ROPS
TN85DA	cab
TN85FA	narrow/orchard
JX1085C	similar CaseIH model

New Holland TN85A Engine
Iveco 4.5L 4-cyl diesel
Fuel tank	23.5 gal 88.9 L
Engine details ...

New Holland TN85A Power
Engine (gross)	80 hp 59.7 kW
PTO (claimed)	69 hp 51.5 kW
Drawbar (tested)	61.2 hp 45.6 kW
PTO (tested)	72.0 hp 53.7 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	15 gpm 56.8 lpm
Steering flow	9.4 gpm 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)
Engine RPM	540@2196

Dimensions & Tires
2WD Wheelbase	86.7 inches 220 cm
4WD Wheelbase	83.7 inches 212 cm
Weight	6008 to 6118 pounds
Full dimensions and tires ...

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

References

New 4-Cylinders published in 2005, by New Holland
TN-A Series Utility Tractors published in 2006, by New Holland

Engine

Engine Detail — 274 ci / 4.5 L Diesel

Manufacturer	Iveco
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	274 ci 4.5 L
Bore/Stroke	4.094x5.197 inches 104 x 132 mm
Emissions	Tier 2
Power (gross)	80 hp 59.7 kW
Fuel use	4.82 gal/hour 18.2 l/hour
Air cleaner	dual paper elements
Compression	17.5:1
Rated RPM	2300
Torque	236 lb-ft 320.0 Nm
Torque RPM	1400
Starter	electric
Starter volts	12

Transmission

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

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 plates
Left-hand clutchless power shuttle.

Dimensions

New Holland TN85A Tires

Dimensions
2WD Wheelbase	86.7 inches 220 cm
4WD Wheelbase	83.7 inches 212 cm
Length	157.5 inches (2WD) 400 cm
	157.5 inches (4WD) 400 cm
Width	67.2 inches 170 cm
Height (ROPS)	95.1 inches 241 cm
Height (Folded ROPS)	75.1 inches 190 cm
2WD Shipping weight	6008 lbs 2725 kg
4WD Shipping weight	6118 lbs 2775 kg

Tests

OCED Tractor Test 2349
Diesel 16-speed 4WD July 1 - October 1, 2005 Link: OCED Tractor Test 2349 file
PTO performance
Max power	72.0 hp 53.7 kW
Fuel use	4.8 gal/hour 18.2 l/hour
Power at rated engine speed	71.7 hp 53.5 kW
Fuel use	4.8 gal/hour 18.2 l/hour
Power at rated PTO speed	71.6 hp 53.4 kW
Fuel use	4.8 gal/hour 18.2 l/hour
Drawbar performance
Max power	61.2 hp 45.6 kW
Fuel use	4.7 gal/hour 17.8 l/hour
Gear 4M-Low used for power test.
Max pull	6775 lbs 3073 kg
Gear 2M-Low used for pull test.

Photos

New Holland TN85A tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for New Holland TN85A based on its 80 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	3 to 4 Bottom (16")3 - 4 铧 (40 cm)	Heavy Duty	Suitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing	7 to 8 ft (84-96 in)2.1 - 2.4 m	Heavy Duty	Heavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep	78 to 84 in200 - 215 cm	Heavy Duty	Heavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage	10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙	Heavy Duty	Aggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage	4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机	Heavy Duty	Silage and dry hay; 540 RPM PTO with slip-clutch.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for New Holland TN85A.

Estimated Continuous Field Runtime: 5.6 hrs

Approximately 5.6 hours of continuous field operation at ~75% rated power on a full tank (23.5 gal / 89 L).

Estimated 75% Load Fuel Burn~4.2 gal/hr (15.7 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours