| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Brand | John Deere | New Holland | 
| Model | W 660 | TR86 | 
| Years | from 2007 | from 1984 to 1993 y. | 
| Reviews | John Deere W 660 reviews New! | New Holland TR86 reviews New! | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Engine manufacturer | John Deere | Caterpillar | 
| Engine type (model / version) | PowerTECH PVX 6090HZ003B | 3208 | 
| Engine capacity | 8984 cm3 (9 l.) | 10420 cm3 (10,4 l.) | 
| Cylinders, qty | 6 | 8 | 
| Turbocharging | available | none | 
| Power (kW/HP) | 257 kW / 350 KM | 129 kW / 175 KM | 
| Engine fuel tank | 800 l. | 303 l. | 
| AdBlue tank | none | none | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Header width (working) | 610 cm | 490 cm | 
| Alternative widths | 670 – 915 cm | 550 – 910 cm | 
| Automatic header height mode | available | none | 
| Header tilt systems | available | available | 
| Header tilt adjustment (longitudinal tilt / crossfall) | optional | none | 
| Reel diameter | 110 cm | n.d. | 
| Reel speed adjustment | electric engine | yes | 
| Header reverser / Reel reverse feature | hydraulics | n.d. | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Diameter of cylinder threshing mechanism | 66 cm | n.d. | 
| Width of cylinder threshing mechanism | 167 cm | n.d. | 
| Secondary threshing cylinder | available | n.d. | 
| Diameter of secondary cylinder | 40 cm | n.d. | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Straw walkers, qty | 6 straw walkers | 2 straw walkers | 
| Straw walkers area | 7,7 m2 | n.d. | 
| Straw walkers length | 460 cm | 224 cm | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Upper sieve area | n.d. | n.d. | 
| Lower sieve area | 2,51 m2 | n.d. | 
| Total screening area  screening area covered by fan  | 
5,83 m2 | 2,97 m2 | 
| Lower sieve type | adjustable | adjustable | 
| Performance | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Unloading speed | n.d. | n.d. | 
| Grain tank capacity | n.d. | n.d. | 
| Max. speed | 25 km/h | 25 km/h | 
| Grain loss indicator | available | optional | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Transmission | hydraulic transmission | hydraulic transmission | 
| Forward gears | 3 | 4 | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Brakes | hydraulics, disc brakes | hydraulics, disc brakes | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Length (with header) | 9,2 m | 8,97 m | 
| Width (with header) | 6,56 m | n.d. | 
| Width (without header) | 3,77 m | 3 m | 
| Height (with cab) | 3,98 m | 3,9 m | 
| Height (without cab) | n.d. | n.d. | 
| Total weight (with cab) | 14170 kg | n.d. | 
| Total weight (without cab) | n.d. | n.d. | 
| Total weight (with header) | 13620 kg | 8820 kg | 
| Front tyres (drive wheels) | 800/65R32 | 23,1-26 | 
| Rear tyres (turning wheels) | 480/80R26 | 11-16 | 
| Alternative front tyres | 650/70R32 | 30,5-32 | 
| Alternative rear tyres | 540/65R28 | 14,90-24 | 
| Specs | John Deere W 660 | New Holland TR86 | 
|---|---|---|
| Air conditioning | with air conditioning | air conditioning optional | 
| Heating | with heating | heating optional |