Platts Harris Limited

- Contour Rolls

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Contour Rolls have fully flexing ring sections and provide unbeatable ground following in all conditions.

Standard 3 section; fully trailed with hydraulically raised and lowered wheels, sharing weight with tractor drawbar during transit, not the linkage arms. Wheels lift clear of soil when working, placing all the weight onto the sections for effective operation. 

Ring sizes 
Cambridge: 20”, 22”, 24”, 26”,30”. 
Breaker: 20”, 22”, 24”.

Working widths
21’ (6.4m), 24’ (7.3m), 27’ (8.2m), 30’ (9.1m)

Articulated 3 section: frames incorporate unique patented ball joint system, enabling front and rear gangs to operate independently, eliminating pressure points across the rolls, reducing scuffing at corners and operating in tight spaces. Besides reducing excessive wear on any particular points, this also saves horse power loss on turning.
Special locking arrangement makes frame rigid prior to hydraulic folding, allowing wings to be folded in normal way before transporting.

Ring sizes
as standard 3 section above.

Working widths
21’ (6.4m), 24’ (7.3m), 27’ (8.2), 30’ (9.1m)

Larger sets of rolls with easy folding aided by hydraulic rams and steel cables. Locking bars and pins secure rolls to increase stability during transport. Folding screw jack keeps drawbar off ground when parked and assists coupling to tractor. Rear light board included as standard.

Ring sizes
Cambridge: 20”, 22”, 24”, 26”. 
Breaker: 20”, 22”, 24”.

Working widths
33’ (10m), 40’ (12.3m), 42’ (12.8m)

Transport width

Pressurised weight transfer and optional ‘Springboard’TM system. Latter comprises row of individual springing elements running ahead of the ring section which level and till the soil increasing effectiveness of roller. Springboard is hydraulically adjustable on the move.

Ring sizes
Cambridge: 20”, 22”, 24”, 26”. 
Breaker: 22”, 24”

Working widths
21’ (6.3m), 24’ (7.3m), 27' (8.3m)

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