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| GENERAL |
| Ditch Witch model 1230 self-propelled walk-behind, manually steered, two-wheel drive, rigid-frame, chain-type trencher |
| DIMENSIONS* |
U.S. |
METRIC |
| Trench depth, max. |
36 in |
910 mm |
| Angle of approach |
35° |
|
| Angle of departure |
65° |
|
| Trench width |
4.3 in - 6 in |
110 mm - 150 mm |
| Boom travel, down |
60° |
|
| Boom travel, up |
47° |
|
| Centerline trench to outside edge of machine, left |
15 in |
381 mm |
| Centerline trench to outside edge of machine, right |
17 in |
432 mm |
| Headshaft height, digging chain |
8.6 in |
220 mm |
| Transport height |
47 in |
1.17 m |
| Transport length |
88 in |
2.24 m |
| Wheelbase |
32 in |
810 mm |
| Spoils discharge reach |
10.6 in |
270 mm |
| Width, transport |
32 in |
800 mm |
| Tread |
26 in |
660 mm |
| OPERATION |
U.S. |
METRIC |
| Vehicle speeds |
155 fpm |
47 m/min |
| Digging chain speed |
276 fpm |
84 m/min |
| Spoils handling (single, open-end auger) auger-size |
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| Outer diameter |
12 in |
305 mm |
| Inner diameter |
4 in |
102 mm |
| Length |
9 in |
229 mm |
| Trencher cleaner type: Mechanical |
| Trencher cleaner size |
4 in - 6 in |
100 mm - 152 mm |
| Operating weight (based on roller boom and narrow-width digging chain) |
905 lb |
410.5 kg |
| POWER |
U.S. |
METRIC |
| Engine |
Honda GX390 |
|
| Type |
4-stroke, overhead valve |
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| Fuel |
Gasoline |
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| Cooling medium |
Air |
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| Number of cylinders |
1 |
|
| Displacement |
23.7 in3 |
389 cm3 |
| Bore |
3.5 in |
88 mm |
| Stroke |
2.5 in |
64 mm |
| Manufacturer's power rating |
13 hp |
9.7 kW |
| Rated speed |
3600 rpm |
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| POWER TRAIN |
| Ground drive transmission: Hydrostatic, infinitely variable from zero to maximum, gearbox to axle, speed and direction controlled with single lever |
| Pump drive clutch: Mechanical, hand-operated, spring-loaded with tension roller for belt drive |
| Digging chain clutch: Mechanical, hand-operated, spring-loaded with tension roller for belt drive |
| Trencher drive: Mechanical; belt drive to reduction drive, headshaft |
| Belt: 2-groove power band |
| Digging chain: 33,000-lb (15 000 kg) or 35,000-lb (15 875 kg) test |
| Chain drive sprocket: Forged and tempered |
| Spoils handling drive: Mechanical, attached to and rotates with headshaft |
| TIRES/PRESSURE |
U.S. |
METRIC |
| Drive, standard |
16 x 6.50-8; 28 psi |
193 kPa |
| Drive, optional |
18 x 8.50-8; 22 psi |
152 kPa |
| Trail |
13 x 5.00-6; 20 psi |
138 kPa |
| HYDRAULIC SYSTEM |
U.S. |
METRIC |
| Drive pump capacity @ 2500 rpm |
9.8 gpm |
37.1 L/min |
| Filtration |
Return flow, 10 micron nominal |
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| Hydraulic drive motor |
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| Torque @ 1000 psi (69 bar) and 9.8 gpm (37 L/min) |
714 in·lb |
81 n·m |
| Speed @ 1000 psi (69 bar) and 9.8 gpm (37 L/min) |
369 rpm |
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| Displacement |
6 in3/rev |
98 cm3/rev |
| Type |
Bi-directional |
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| FLUID CAPACITIES |
U.S. |
METRIC |
| Fuel tank |
1.7 gal |
6.5 L |
| Engine oil |
2.3 pt |
1.1 L |
| Hydraulic reservoir |
4.5 gal |
17 L |
| Hydraulic system |
5 gal |
18.9 L |
| Axle oil |
2.8 pt |
1.3 L |
| Headshaft gearbox oil |
2 pt |
1 L |
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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 match that shown. Contains patented features. *Dimensions are based on 16 x 6.50-8 tires and 24-inch (610 mm) depth boom. |