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Aardvark Equipment Ltd. Designers and builders of bespoke Articulated Dump Trucks & Trenching Machines
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Rockwheel Trenchers


Rototrench R.W.T 100 S Rotary Wheel Trencher Machine

Operating Weight: 4.0 Tonnes

Trenching depth: 1000mm (max).

Work rate: 60 – 600m/hr.

Trenching width: 95mm, 135mm, 175mm

A robustly engineered mechanical drive train ensures a dependable service life allowing contractors to keep on schedule.

“Tungsten Carbide” mining tips are extremely durable with low wear parts per metre costs, but easily replaced when eventually the need arises.


Trenches, laser grades, lays pipe & backfills all in one pass with minimal mess.

This is a whole new era in sportsfield trenching “systems technology”.

1 metre maximum depth enables the pulling of much longer grades than is possible with competitor’s machines.

Machine readied for I.O.G. Saltex show September 2006, mounted on a Fendt 818 Vario 180h.p. tractor


Sportsturf drainage work on a playing field at Bryanston School, Blandford Forum, Dorset. U.K.





Tractor requirement: 140 h.p. Preferably with hydrostatic or “Vario” (Fendt) transmission, although manual tractor with creeper box is sufficient.

Three point linkage lift requirement: 7500Kg.

Hydraulic spool requirement: 3 (min.) spools @200Bar pressure & 80l/min flow.

Power take off requirement: 125h.p. P.T.O. output at 540/750/1000r.p.m.



Agricultural Cat. 2 & Cat 3 linkage compatible,

1 ¾” Z20 tractor P.T.O. shear bolt coupling, inclusive of shear bolt coupling balancing,

            “80 V” series P.T.O. input shaft,

Slip & over run clutch,

            Reverser gearbox 1: 1 ratio,

            “80 V” series P.T.O. shaft from reverser box to epicylic bevel box,

            Epicyclic/bevel box 11.06: 1 ratio,

Heavy duty splined drive wheel shaft & tail bearing unit, shimmed clamp collar set,

2200mm diameter x 15mm thick digging wheel with weight saving cut outs,

8 piece digging wheel segments 135mm x 20mm (O/A wheel diameter: 2400mm)

fitted with 96 “Pengo Kenametal” tips,

Available in 135mm cutting width to lay a 100mm (4”) diameter pipe

Giving a max. trenching depth of 1000mm using vertical mast height control



Click the picture above for a larger view

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500mm wide spoil conveyor right hand mounted with full width 75mm belt up stands, on 3.3 metre centres giving a 2.0m to 2.5m high discharge height, with folding transport feature.



            Front mounted pipe reel & post,

            Over tractor roof guidance tube 150mm diameter,

150mm diameter guidance tube above conveyor housing & above pipe box.

125mm x 125mm square pipe laying box.



            Left hand entry backfill hopper with jockey wheels.



            Requirement of 3 tractor spools, all functions being electro-hydraulic controlled from cab. (4 spools required if hydraulic pipe reel lift used).

Laser grading integrated with electro- hydraulics optional.


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