RT45 Operator’s Manual Specifications - 203
MT12 MicroTrencher
*Minimum microtrench radius will depend on surface conditions and hardness of material being cut. Cut will be slightly wider in curved
sections of the trench.
Specifications are called out according to SAE recommended procedures. Specifications are general and subject to change without
notice. If exact measurements are required, equipment should be weighed and measured. Due to selected options, delivered
equipment may not necessarily match that described.
W3 Spoils chute extension (same both sides) 8.5 in 216 mm
W4 Centerline of unit to outside left tire (28x9 solid tires) 28.5 in 725 mm
W7 Centerline of unit to end of traverse frame 29.2 in 742 mm
Width, transport 60.5 in 1.53 m
Minimum microtrenching radius* 40 ft 12 m
Attachment weight, including mount kit 1400 lb 636 kg
Microtrencher tilt adjustment +/- 6° +/- 6°
Counterweighting: For unit with solid, 28x9 tires, add 500 lb (227 kg) on front weight rack
Operation U.S. Metric
Microtrencher motor displacement
40.55 in
3
664 cc
Blade speed, variable 0-160 rpm 0-160 rpm
Quantity of cutting teeth on saw blade (0.75 in, 0.95 in, 1.25 in) 24, 32, 32 24, 32, 32
Cutting bit types:
Rotating: self-sharpening full cap conical bit with pin retainer
Fixed: Sharktooth carbide-tipped bits (0.75 in blade width only)
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