HT300
Heavy Duty Trencher
The king of the Ditch Witch mountain is the HT300, a rock-digging workhorse capable of trenching up to ten feet (3.1 m) deep and up to 36 inches (914 mm) wide in the most extreme jobsite conditions. The 300-hp (224 kW) HT300 is designed to deliver maximum trenching power even on rocky and/or uneven terrain, making it the ideal trencher for wind-farm construction, pipeline work, installing and repairing energy-distribution facilities, and other heavy-duty applications.
    Key Features
  • Exclusive flywheel gearbox delivers maximum power to the trenching attachment on demand while minimizing shock to the hydraulic system.
  • Forged, heat-treated, high-alloy steel headshaft is guaranteed for life.
  • Reversible conveyor effectively deposits spoils on either side of the trench.
HT300
SPECIFICATIONS
Dimensions
 U.S.
Transport height
 122 in
Transort length (with 6 ft/1.8 m boom and trench cleaner)
 29 ft 10 in
Transport width
 102 in
Weight, maximum
 70,500 lb
 
Operation
 U.S.
Ground drive speed, forward
 0 - 2.5 mph (high)
Ground drive speed, reverse
 0 - 2.5 mph (high)
Ground drive transmission
 Dual path, hydrostatic drive, planetary transmission
Brake
 Integral spring-applied, pressure-released, wet disc brake
Trench depths
 4 ft, 6 ft, 8 ft, 10 ft
Trench widths (Single chain)
 12 - 18 in
Trench widths (Double chain)
 24 - 36 in
Digging chain speed
 0 - 530 fpm
 
Conveyor Drive
 U.S.
Belt speed
 0 - 790 fpm
Discharge direction
 Right or left
Conveyor length
 98.5 in
Conveyor belt width
 24 in
Discharge height
 57 in
 
Hydraulic System
 U.S.
Type
 Pressure and flow compensated
Flow rate, maximum
 43 gpm
Pressure, maximum
 2600 psi
 
Power
 U.S.
Engine
 Caterpillar C9 Acert Tier 3
Fuel
 Diesel
Cooling medium
 Liquid
Injection
 Direct
Aspiration
 Turborcharged and air cooled
Number of cylinders
 6
Displacement
 537 cu in
Bore
 4.41 in
Stroke
 5.87 in
Net power rating per SAE J1349
 300 hp
Rated speed
 2200 rpm
 
Fluid Capacities
 U.S.
Fuel tank
 192 gal
Hydraulic reservoir
 73 gal
 
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Model: HT300
Type: Heavy Duty Trencher
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