Specifications - 188 RT45 Operator’s Manual
RT45 Tractor with H313 Trencher
L4 Wheelbase 48 in 1.2 m
N Spoil discharge reach, minimum to maximum 17-20 in 430-510 mm
W2 Width, transport 64 in 1.6 m
W4 Tread 46 in 1.2 m
Ground clearance with standard tire, minimum 7 in 180 mm
Ground clearance with optional tire, minimum 8.5 in 215 mm
* Dimensions are based on H313 attachment and shortest roller boom length, 26 X 12.00-12 standard
tire and wheel, and 12” (300-mm) pivot (except references A and B).
General
Ditch Witch
®
model RT45 tractor, 4-wheel drive, rigid frame, hydrostatic ground drive through rubber
tires, conventional 2-wheel power steering, hydrostatic attachment drive, riding tractor
Operation U.S. Metric
Forward speed, maximum 4.7 mph 7.6 km/h
Reverse speed, maximum 2.7 mph 4.4 km/h
Digging chain speed @2600 rpm engine speed, maximum 460 fpm 140 m/min
Vehicle clearance circle (SAE) wall to wall with backfill blade
With front steering only 28 ft 8.5 m
With rear steering 20 ft 6.1 m
Operating weight * 5375 lb 2438 kg
Headshaft speed @2600 rpm engine speed, maximum 233 rpm 233 rpm
Auger: single, tapered, with outboard support bearing
Diameter, maximum 24 in 610 mm
Diameter, minimum 18 in 460 mm
Length 13 in 330 mm
* Operating weight based on H313 attachment with longest roller, heaviest chain, 26 x 12.00-12 tires,
and 175-lb (79-kg) operator.
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