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 |
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- 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.
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| SPECIFICATIONS, HT220 |
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| 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 |
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| 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 |
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| 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 |
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| Fuel |
Diesel |
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| Cooling medium |
Liquid |
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| Injection |
Direct |
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| Aspiration |
Turbocharged |
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| Number of cylinders |
6 |
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| 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 |
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| 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 |
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| SAE cold crank rating @ 0° F (-18° C) |
825 A |
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| 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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