Standen Engineering Limited

- Model T2 - Potato Harvester



THE HIGH PERFORMANCE 2-ROW POTATO HARVESTER: T2 is a 2-row tractor trailed potato harvester developed by engineers at Standen Engineering for high output and efficiency with low crop damage. T2 is built at Ely. MOVING UP A GEAR: The Standen T2 offers significantly more output. An additional front digger web and a longer sieving web provide a dramatic increase in total web area. VariSep adjustable web step separation, between the digging and sieving webs provides another major boost to output, and on-the-move adjustability. OMEGA - ADVANCED SEPARATION TECHNOLOGY: Developed by Standen for the T2, OMEGA is a fluted roller separating system, featuring soft deformable scroll rollers and the choice of rubber covered or steel clod rollers. OMEGA is designed to make the most of T2's high output potential. Neat, flush sides mean T2 is only 2.9m wide for transport; the wheel track is adjusted from the cab’; T2 is ready for work, or ready for the road in seconds.

RoTo Axle
180 degree rotation for fast in/out adjustment

Fewer cross beams for a clear harvester underside

The STANDEN T2 potato harvester easily doubles as a high-capacity windrower. RoTo axle configuration places the machine’s wheels directly in line with the tractor’s wheels when opening the crop.

With a transport width of only 2.9 metres, the T2 is also much easier than competitors to manoeuvre on the road, and into farm gateways.


VariSep enables the operator to easily raise or lower the sieving web (20cm) so adjusting the degree of separation at this point.

Separation can be set for maximum separation (high step), or minimum separation, level webs (no step).

This helps the operator minimise potential crop damage, or maximize separation when required.


The Standen T2 is built on a heavy-duty tubular chassis designed to provide strength, superb driver visibility, and easy maintenance access. The drive-line is simple and robust, requiring minimal attention with long life components for maximum reliability.

All hydraulic, variable speed drives are featured throughout the harvester; speeds are adjustable from the driver’s cab. CAN-Bus electronics make harvester functions fast to respond and expand the range of adjustments available. Gentle harvesting really is at the operator fingertips.

OMEGA - Separation Technology
OMEGA; gentle, effective, high capacity clod, stone, haulm and weed separation is at the heart of T2, providing efficient crop cleaning and removal of unwanted material.

T2 features two OMEGA separating units, one behind the other. Each OMEGA unit comprises 3 x soft scroll rollers (plastic covered, filled with air pockets and foam), and 3 x clod rollers; rubber covered or steel. Both OMEGA units are angle adjustable from the tractor cabin to provide varying degrees of separation.

Scroll roller speed is adjusted from the driver's cab. Clod roller speeds are also adjusted from the cab, along with clod roller height. Clod rollers can easily be reversed.

Importantly, during its adjustment, each clod roller rotates around the circumference of their adjacent fluted roller. This unique 'constant geometry' design ensures the gap doesn't change with up/down adjustment. Clod rollers are linked in each OMEGA unit, making adjustment is simpler and faster.

The driver's Control Console has clear indicators showing clod roller height.

OMEGA's wide range of adjustment enables it to be used effectively in many different soil types and conditions. Also on salad and main crop potatoes, carrots, onions, parsnips, turnips, celeriac, etc.

Extra Wide Discharge Elevator Options
An extra wide 1300mm or 1500mm discharge elevator is available as optional equipment. Allows high speed harvesting of windrowed crops such as onions
1500mm wide elevator option includes 3 spreader webs

2.9 Metre Transport Width
A compact folding elevator and RoTo axle provide a transport width of just 2.9 metres

T2 is ready for the road in seconds

Chassis: Open Plan, tubular heavy-duty welded construction
Power requirements: 170 hp+ tractor, tractor oil supply/return, 12v electrics
P.T.O input: 1000 rpm
Drives: All-hydraulic variable speed, in-cab controls
In-cab controls: Touch Screen, programmable, joystick console, CAN-bus electronics.
Drawbar: Hydraulic adjustment, in-cab control
Depth control: Automatic, left/right independent, in-cab control override
Depth sensing: 2 x Zero pressure rubber wheels
Intake discs: 4 x 740mm, spring loaded, with heavy-duty bearings
Shares: 2 x 2-piece
Haulm intake rollers: 2 x haulm intake rollers at outer discs, centre rubber flap
Digging web: 36mm pitch, 1620mm wide, 27 degree maximum web angle
Sieving web: 40mm pitch, 1620mm wide, 18-24 degree web angles
Sieving web step: VariSep, primary/secondary web step adjustment (20cm), in-cab control
Sieving web agitation: 3 x high frequency, adjustable, in-cab control
Haulm guides: Curved tines at top of secondary web
Haulm removing roller: Hydraulic driven, rubber covered 82mm, adjustable, reversible, in-cab control
Transfer 1: Deformable fluted roller, clod roller
OMEGA separation: 2 x OMEGA units @ 1700mm working widths, each with 3 x deformable scroll rollers (60mm shafts) + 3 x rubber covered or steel clod rollers
Transfer 2: Deformable scroll roller, stainless steel transfer roller
Transfer 3: 2 x rubber covered spreader webs (graduated)
Discharge elevator: Hydraulic folding, 1120mm wide, in-cab controls
Discharge web: Deep flight, bucket type, moving side fingers
Hydraulic oil reservoir: High capacity chassis integrated
Hydraulic oil cooling: Thermostatically controlled electric oil cooler + chassis natural cooling
Hydraulic oil pumps: 4 x high capacity load sensing pumps
Hydraulic protection 1: 4 x suction filters protect pumps
Hydraulic protection 2: Individual pre-filters fitted in valve lines
Wheel steering: Hydraulic, 25 degrees, automatic self-centring, in-cab control
Wheel track adjustment: RoTo axle, right side wheel rotates through 180 degrees, in-cab control
Wheel drives: Hydraulic, in-cab controls = assist/constant/power boost
Wheels: Steel rims. Tyres: Left 550/45 R22.5, Right 420/70 R24
Levelling: Hydraulic, in-cab control
Length: 10.70m
Width, working: 4.10m
Width, transport: 2.90m
Height: 4.10m
Weight: 7500kg
Weight at drawbar: 1800kg
Shipping dimensions: Length 10.70m x Width 2.90m x Height 4.10m

Depth sensing: Ultrasonic sensing, Diablo or hydraulic steel drum rollers
Discs: Sprung concave trash discs (in front of std discs)
Shares: Full-width bed shares
Haulm intake rollers: For centre row in lieu of rubber flap
Digging web: 28mm pitch
Sieving web: 28, 36, 45, or 50mm pitch
Sieving web cleaner: Rubber block type, or cage roller
Clod fingers: Sweeping fingers, hydraulic, variable speed
OMEGA scroll rollers: 6mm, 10mm (standard), or 20mm scrolls
Separators: OMEGA, Starflow, Pro-Clean axial rollers, 3rd transfer web
Sorting tables: Easy-Pic (3-persons), In-Line (6-persons)
Elevator: Soft-Drop web with moving sides
Elevator: Automatic height control
Elevator chute: Cascade type for box filling
Elevator: 1300mm or 1500mm extra wide discharge elevator in lieu of standard, for onions, windrowed potatoes. Includes 3 spreader webs in lieu of standard
Windrowing: Windrowing kit
Levelling: Automatic machine leveling
Onions: Onion shares/intake paddle, rotating square/intake paddle
Wheels: Left and right: 560/60 R22.5 or 600/50 R22.5 flotation wheels

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