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New Holland Geotech 8670

Built: 1993–2002 · Series: 70 er-Baureihe

More machines from model year 1993

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The New Holland Geotech 8670 is a model in the 70er series. Production: 1993–2002. The engine delivers 170 hp (125 kW), has 6 cylinders, with a displacement of 7,478 cm³. Torque is 746 Nm. Rated speed is 2,100 rpm. The machine is 4,853 mm long, 2,845 mm wide and 3,067 mm high. The unladen weight is 7,622 kg. The wheelbase measures 3,005 mm. Ground clearance is 458 mm. Top speed is 40 km/h. Transmission: 18 V/9 R or 36 V/18 R. The engine is water-cooled. Tyres: front 14.9 R 28 AS, rear 20.8 R 38 AS. The fuel is diesel. The bore measures 111.78 mm. The stroke is 127 mm. The compression ratio is 17.5:1. Construction: unit construction (no separate frame). The 70 er-Baureihe series covers 4 models. Rated output within it ranges from 170 to 240 hp; the 8670 sits at the bottom of that range with 170 hp. Its immediate neighbours are the 8770 A above it with 190 hp. Unladen weight within it ranges from 7,622 to 8,748 kg; here the 8670 sits at the bottom of that range with 7,622 kg. 32 New Holland Geotech models across 8 series are on record.

New Holland Geotech 70 series – large tractors 8670 to 8970 A: six-cylinders with 7.5-litre displacement, 125 to 177 kW and up to 8,748 kg unladen weight

The Geotech 70 series comprises the large tractors 8670, 8770 A, 8870 A and 8970 A, whose register name likewise dates from New Holland's merger era in the 1990s. Like the smaller 60 series, all four models carry the same six-cylinder diesel engine with 7.5 litres of displacement, here in higher power steps; the rising type number from 8670 to 8970 denotes the position within the series.

Read on 3 more paragraphs

The register lists 4 versions with 125 to 176.5 kW from the shared six-cylinder with 7,478 cm³ displacement. Unladen weights range from 7,622 to 8,748 kg, lengths from 4,853 to 5,669 mm, widths from 2,560 to 2,845 mm, and heights from 3,067 to 3,118 mm; the rated speed is uniformly 2,100 rpm.

With outputs up to 177 kW, the Geotech 70 series counts among the large field tractors for farms with high draft-power needs, such as tillage with wide cultivators and ploughs, competing with comparable large tractors from John Deere, Case IH and Massey Ferguson of the same era. It is used mainly for tillage, sowing, transport work and powering trailed harvesting machinery.

When buying used, the operating hours on the six-cylinder, the condition of the lift hydraulics and PTO, the tightness of turbocharger and cooling system, and wear on the front axle and tyres all matter. Spare parts run through the New Holland dealer network. It is also worth checking the on-board electronics, cab mounting and seat suspension, and tyre tread depth.

Sources: SpecCodex register, model data: New Holland Geotech 70er-Baureihe, New Holland Agriculture (manufacturer)

Technical data

Engine

Fuel	dieselcorrect
Power	170 hp (125 kW)correct
Rated speed	2,100 rpmcorrect
Torque	746 Nmcorrect
Cylinders	6correct
Displacement	7,478 cm³correct
Bore	111.78 mmcorrect
Stroke	127 mmcorrect
Compression ratio	17.5correct
Cooling	water-cooledcorrect

Dimensions and weights

Length	4,853 mmcorrect
Width	2,845 mmcorrect
Height	3,067 mmcorrect
Wheelbase	3,005 mmcorrect
Ground clearance	458 mmcorrect
Unladen weight	7,622 kgcorrect

Drivetrain and chassis

Drive	four-wheel drivecorrect
Gearbox	18 V/9 R or 36 V/18 Rcorrect
Front tyres	14.9 R 28 AScorrect
Rear tyres	20.8 R 38 AScorrect
Top speed	40 km/hcorrect

Origin and approval

Construction	unit construction (no separate frame)correct

Where this model stands

Power-to-weight ratio: 16.4 kW/t (125 kW / 7.6 t)

Power class: Large (100–180 hp)

Stronger than 87% of the tractors in the register — out of 15,663 models with a stated power figure.

Calculated from the documented figures above — not a rating.

Frequently asked questions

How much power does the New Holland Geotech 8670 have?

The New Holland Geotech 8670 delivers 170 hp.

How much does the New Holland Geotech 8670 weigh?

The unladen weight is 7,622 kg.

What engine does the New Holland Geotech 8670 have?

6 cylinders, 7,478 cm³ displacement, Diesel.

How fast does the New Holland Geotech 8670 go?

Top speed is 40 km/h.

What are the dimensions of the New Holland Geotech 8670?

4,853 mm × 2,845 mm × 3,067 mm.

When was the New Holland Geotech 8670 built?

Production years: 1993–2002.

What to check before buying

Check the hour meter against the service records — a replaced instrument is the most common gap.
Compare the data plate and chassis number with the papers.
Check the weights in the papers against the figures here — attachments change them.
Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
Shift the gearbox cold and warm — jumps only show up at temperature.
Load the hydraulics and watch for sag.
Ask about parts availability for this build year — the running costs hang on it.

A general list for this type of machine — no substitute for an inspection or an appraiser.

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This page carries 23 individual figures for this model. They come from 1 recorded source; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.

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