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KEY FEATURES DETAILS MANUAL OFFERS VIDEOS
KEY FEATURES, ZAHN 4WD TRENCHER
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- Accepts trencher chains of up to 12 inches (305 mm) wide, so you can dig trenches for virtually any application.
- A hydraulic auger that runs independent of the headshaft (patent-pending feature) reduces the amount of carryover, increasing productivity.
DETAILS, ZAHN 4WD TRENCHER
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- High-performance Kohler® engine (23 hp/17.1 kW or 30 hp/22.4 kW) enables truly dedicated performance from each front-end trencher.
- Selectable ground drive speed ranges enable the operator to choose the optimal speed for different applications.
- Optional dual wheels provide outstanding traction and stability, even on slopes; high-flotation tires distribute weight evenly, allowing each unit to traverse lawns and other delicate turf with minimal impact.
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- Rear fenders deflect dirt and mud, increasing operator comfort.
- Multiple tire options for multiple tasks:
- 18-inch (457 mm) air-filled tires
- 18-inch (457 mm) urethane-filled, flat-proof tires
- 20-inch (508 mm) urethane-filled, flat-proof tires provide heavy-duty performance, maximum stability, and minimal tire deflection under load.
- See a 360º view of the Zahn by clicking here.
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MANUAL, Zahn 4WD Trencher
Select your language to view PDF
ENGLISH
| YARD CRASHERS
Several Ditch Witch machines have been used on the DIY Network show Yard
Crashers this season. To see how show host Ahmed Hassan puts these
powerful machines to work creating lawn masterpieces, follow this link. |
R230 4WD R300 4WD TRACKS SAFETY
SPECIFICATIONS, R230 4WD
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With 18 x 9.5-8 Tires
DIMENSIONS*
Mobile length
Wheelbase
Tractor back to rear axle
Rear axle to attachment mounting
Attachment mounting to front axle
Mobile height
Ground clearance
Platform height
Width
Angle of departure
Mass
Vehicle clearance circle (SAE) wall-to-wall
Right turn, 18 x 9.5-8 tires
Left turn, 18 x 9.5-8 tires
OPERATION
Ground drive speed, forward
Low
High
Ground drive speed, reverse
Low
High
POWER PLANT
Engine
Fuel
Cooling medium
Number of cylinders
Displacement
Bore
Stroke
Manufacturer's power rating
Rated speed
POWER TRAIN
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U.S.
70 in
34.2 in
26.8 in
19.2 in
15 in
53.5 in
5.3 in
10.7 in
36 in
25°
1290 lb
11.3 ft
10.5 in
U.S.
3.5 mph
5.9 mph
3.5 mph
5.9 mph
U.S.
Kohler CH23S
Gasoline
Air
2
41.1 in3
3.15 in
2.64 in
23 hp
3600 rpm
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METRIC
1.78 m
869 mm
681 mm
488 mm
381 mm
1.36 m
135 mm
272 mm
914 mm
585 kg
3.44 m
3.2 m
METRIC
5.6 km/h
9.5 km/h
5.6 km/h
9.5 km/h
METRIC
674 cm3
80 mm
67 mm
17.2 kW
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Parking brake: Mechanical, hand operated
Service brake: Ground drive speed/direction control brakes machine hydraulically when moved to neutral position
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TIRES/PRESSURE
18 x 9.5-8, 2-ply, bar lug
Tire assembly mass
Urethane filled 18 x 9.5-8, 2ply, bar lug
Tire assembly mass
Urethane filled 20 x 10-8, ply, bar lug
Tire assembly mass
18 x 8.5-8, ply, turf
Tire assembly mass
HYDRAULIC SYSTEM
Auxiliary: Gear pump
Flow rate
Pressure
Ground drive: Hydrostat
Flow rate
Pressure
FLUID CAPACITIES
Fuel tank
Engine oil, including filter
Hydraulic reservoir
Total hydraulic system volume
BATTERY
SAE reserve capacity rating
SAE cold crank rating @ 0° F (-18° C)
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U.S.
12 psi
22 lb
N/A
36 lb
N/A
49 lb
22 psi
20 lb
U.S.
12 gpm
3000 psi
19.3 gpm
3500 psi
U.S.
10.9 gal
2 qt
7.7 gal
8.5 gal
U.S.
32 min
200 amps
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METRIC
82.7 kPa
9.98 kg
N/A
16.33 kg
N/A
22.23 kg
151 kPa
9.07 kg
METRIC
46 L/min
207 bar
73 L/min
241 bar
METRIC
41.3 L
1.9 L
29.1 L
32.2 L
METRIC
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*Unless otherwise specified, all figures are for standard equipment only. Specifications are called out according to SAE recommended procedures. Due to selected options, delivered equipment may not necessarily match that described. Specifications are general and subject to change without notice. If exact measurements are required, equipment should be weighed and measured.
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SPECIFICATIONS, R300 4WD
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With 18 x 9.5-8 Tires
DIMENSIONS*
Mobile length
Wheelbase
Tractor back to rear axle
Rear axle to attachment mounting
Attachment mounting to front axle
Mobile height
Ground clearance
Platform height
Width
Angle of departure
Mass
Vehicle clearance circle (SAE) wall-to-wall
Right turn, 18 x 9.5-8 tires
Left turn, 18 x 9.5-8 tires
OPERATION
Ground drive speed, forward
Low
High
Ground drive speed, reverse
Low
High
POWER PLANT
Engine
Fuel
Cooling medium
Number of cylinders
Displacement
Bore
Stroke
Manufacturer's power rating
Rated speed
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U.S.
70 in
34.2 in
26.8 in
19.2 in
15 in
53.5 in
5.3 in
10.7 in
36 in
25°
1290 lb
11.3 ft
10.5 ft
U.S.
3.5 mph
5.9 mph
3.5 mph
5.9 mph
U.S.
Kohler CH750S
Gasoline
Air
2
45.6 in3
3.3 in
2.7 in
30 hp
3600 rpm
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METRIC
1.78 m
869 mm
681 mm
488 mm
381 mm
1.36 m
135 mm
272 mm
914 mm
585 kg
3.44 m
3.2 m
METRIC
5.6 km/h
9.5 km/h
5.6 km/h
9.5 km/h
METRIC
747 cm3
83 mm
69 mm
22.4 kW
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POWER TRAIN
Parking brake: Mechanical, hand operated
Service brake: Ground drive speed/direction control brakes machine hydraulically when moved to neutral position
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TIRES/PRESSURE
18 x 9.5-8, 2-ply, bar lug
Tire assembly mass
Urethane filled 18 x 9.5-8, 2-ply, bar lug
Tire assembly mass
Urethane filled 20 x 10-8, ply, bar lug
Tire assembly mass
18 x 8.5-8, ply, turf
Tire assembly mass
HYDRAULIC SYSTEM
Auxiliary: Gear pump
Flow rate
Pressure
Ground drive: Hydrostat
Flow rate
Pressure
FLUID CAPACITIES
Fuel tank
Engine oil, including filter
Hydraulic reservoir
Total hydraulic system volume
BATTERY
SAE reserve capacity rating
SAE cold crank rating @ 0° F (-18° C)
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U.S.
12 psi
22 lb
N/A
36 lb
N/A
49 lb
22 psi
20 lb
U.S.
12 gpm
3000 psi
19.3 gpm
3500 psi
U.S.
10.9 gal
2 qt
7.7 gal
8.5 gal
U.S.
32 min
200 amps
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METRIC
82.7 kPa
9.98 kg
N/A
16.33 kg
N/A
22.23 kg
151.7 kPa
9.07 kg
METRIC
46 L/min
241 bar
73 L/min
241 bar
METRIC
41.3 L
1.9 L
29.1 L
32.2 L
METRIC
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*Unless otherwise specified, all figures are for standard equipment only. Specifications are called out according to SAE recommended procedures. Due to selected options, delivered equipment may not necessarily match that described. Specifications are general and subject to change without notice. If exact measurements are required, equipment should be weighed and measured.
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- Heavy-duty tracks provide exceptional traction especially when pulling a
vibratory plow or other Zahn front ends that require extra drawbar
pull.
- High flotation helps minimize surface damage to turf, so you can work
confidently on and around sensitive landscapes and established lawns.
- Tracks enable the Zahn to travel across trenches, a great advantage when installing irrigation systems.
- Tracks "walk" or oscillate 12 degrees, which helps provide greater
stability when loading, unloading, and maneuvering over curbs or other
rough and uneven terrain.
- Enables you to work in all types of soil and weather conditions.
- Tracks do not increase the width of the machine, so it still fits comfortably through a standard 36-inch (0.9 m) yard gate.
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Jobsite safety cannot be overemphasized. You're working on and around heavy equipment that you need to understand and respect. Below is a "Safety Matters" topic relevant to this Ditch Witch product. For other "Safety Matters" topics, plus safety videos and other important facts about jobsite safety, please visit our Ditch Witch Safe page.
Locating safety. Remember that you can verify locates with Ditch Witch electronic pipe and cable locators, and a sure way to verify the location of buried utilities is to expose the lines with a Ditch Witch vacuum excavator.
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 Safety Matters is intended to promote discussions of safety issues among underground construction professionals. TOPIC #7: TRANSPORT — PART II - LOADING AND HOOKING UP A TRAILER Potential HazardsPrecautions- ALWAYS use safety chains.
- Connect breakaway brake cable (if equipped) to tow vehicle.
- ALWAYS maintain proper tire pressure and replace worn tires.
- Make sure the wheel lug nuts/bolts on the tow vehicle and trailer are tightened to the correct torque.
- Be sure the hitch, coupler, draw bar, and other equipment that connect the trailer and the tow vehicle are properly secured and adjusted.
- Check that the wiring is properly connected— not touching the road, but loose enough to make turns without disconnecting or damaging the wires
- Make sure all running lights, brake lights, turn signals, and hazard lights are working. Do not use the trailer without working lights.
- Verify that the brakes on the tow vehicle and trailer are operating correctly.
- heck that ALL items are securely fastened on the trailer. Even small items can be hazardous if they aren't secured.
- Use appropriate restraints (see equipment operator's manual) and the tie-down points as indicated on equipment.
- Be sure the trailer jack, tongue support, and any attached stabilizers are raised and locked in place.
- Check load distribution to make sure the tow vehicle and trailer are properly balanced front-to-back and side-to-side.
- Check side- and rear-view mirrors to make sure you have good visibility.
- Check routes and restrictions on bridges and tunnels.
- Make sure you have wheel chocks and jack stands. Use them before disconnecting the trailer from the tow vehicle.
- If equipment does not come with stow locks to secure attachments that may swing beyond the sides of the trailer, use tiedowns to secure them.
Information/Facts- Your ability to handle and control your tow vehicle and trailer is greatly improved when the cargo is properly loaded and distributed.
- Equipment can move during transport if not tied down. This can affect weight distribution and cause the trailer to sway.
- Safety chains should cross under the tongue to prevent the tongue from dropping to the road in case of a separation. Tongue weight is the amount of weight being supported by the tongue. Too little tongue weight can cause trailer sway. Too much tongue weight can exceed the rating of the hitch or raise the tow vehicle's front tires, decreasing control. Tongue weight is determined by the placement of the load on the trailer. To increase tongue weight, move the load forward on the trailer. Ten to fifteen percent of total trailer weight (equipment plus trailer) must be on the tongue to help prevent trailer sway.
TALES FROM THE TRENCH- A bushing was left loose on an equipment trailer. During travel, the bushing fell off the trailer, bounced on the pavement, and went through the windshield of a compact vehicle. The elderly woman driver was killed when the bushing struck her in the head.
- A small pedestrian machine was loaded on a trailer and was not tied down. It bounced on the small trailer and caused the trailer to sway. The driver lost control of the tow vehicle and caused a wreck.
- A large machine was not tied down to the trailer. While taking a sharp turn slightly too fast, the machine overturned and fell off the trailer. Fortunately, no other vehicles or pedestrians were in the way of the falling machine.
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