DITCH WITCH HT220 HEAVY DUTY TRENCHER

Jan 17, 2008

KEY FEATURES, HT220

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.

DETAILS, HT220

Reversible conveyor effectively deposits spoils on either side of the trench.
Trencher stabilizers effectively isolate vibration in rock and other harsh conditions.
Reliable cruise-control system automatically adjusts ground speed to changing soil conditions.
Patented bit-block digging system lets you easily customize your digging tooth pattern to best fit your application.

Easy-to-use controls are designed for optimal productivity and reliability in harsh job applications.
Standard, fully enclosed cab with climate control greatly increases operator comfort and reduces noise.
Sturdy undercarriage is designed to withstand the rigors of rock-laden jobsites.

SPECIFICATIONS, HT220











DIMENSIONS	U.S.	METRIC
Transport height	112 in	2.8 m
Transport length (with 6-ft/1.8-m boom and trench cleaner)	27 ft 9 in	8.45 m
Transport width	85 in	2.15 m
Weight, max.	42,990 lb	19 500 kg
OPERATION	U.S.	METRIC
Ground drive speed, forward	0 mph – 2.3 mph	0 km/h – 3.7 km/h
Ground drive speed, reverse	0 mph – 2.3 mph	0 km/h – 3.7 km/h
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	1.2 m, 1.8 m, 2.4 m
Trench widths
Single chain	12 in – 18 in	300 mm – 460 mm
Double chain	20 in – 24 in	500 mm – 600 mm
Digging chain speed	0 fpm – 650 fpm	0 m/min – 200 m/min
CONVEYOR DRIVE	U.S.	METRIC
Belt speed	0 fpm – 820 fpm	0 m/min – 250 m/min
Discharge direction	Right or left
Conveyor length	79 in	2 m
Conveyor belt width	24 in	600 mm
Conveyor traverse	22 in	650 mm
HYDRAULIC SYSTEM
Type: Pressure and flow compensated
Flow rate, max.	45 gpm	170 L/min
Pressure, max.	2600 psi	180 bar
POWER	U.S.	METRIC
Engine	Cummins QSB5.9
Fuel	Diesel
Cooling medium	Liquid
Injection	Direct
Aspiration	Turbocharged
Number of cylinders	6
Displacement	359 in³	5.9 L
Bore	4.02 in	102 mm
Stroke	4.72 in	120 mm
Net power rating per SAE J1349	215 hp	160 kW
Rated speed	2250 rpm
FLUID CAPACITIES	U.S.	METRIC
Fuel tank	106 gal	400 L
Engine oil, including filter	6.6 gal	25 L
Hydraulic reservoir	77 gal	290 L
BATTERY	U.S.	METRIC
SAE reserve capacity	150 min
SAE cold crank rating @ 0° F (-18° C)	825 A

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 shown. Contains patented features.

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