ST37X Stand-On Trencher
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Key Features & Specs
The construction-grade ST37X stand-on trencher is the most powerful and durable machine in its horsepower class with an integrated digging system. The innovative machine is ideal for creating footings on residential or commercial properties, installing drainage pipe and other trenching and landscape duties. The ST37X can trench up to 16 in (41 cm) wide and 36 in (91 cm) deep and creates cleaner, more consistent footings than an excavator, and in less time.
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OPERATION
OPERATION
U.S.
METRIC
Ground drive speed, max
Forward/reverse
4.7 mph
7.6 km/h
Ground pressure w/ 9-in (230-mm) tracks*
5.5 psi
0.38 bar
Machine weight w/30-in boom, 12-in combo chain
4,110 lb
1864 kg
* Includes machine weight, and 165-lb (75-kg) operator.
Digging chain speed
402 fpm
7.6 km/h
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FLUID CAPACITIES
FLUID CAPACITIES
U.S.
METRIC
Fuel tank
10.5 gal
40 L
Hydraulic reservoir
9.2 gal
35 L
Engine oil, w/filter
5 qt
4.7 L
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Innovative, Construction-Grade Design
ST37XInnovative, Construction-Grade Design
Built for heavy-duty operation, the ST37X is designed for overall machine longevity and contractor ROI.
Designed for creating footings on residential and commercial properties, installing drainage pipe and other trenching and landscape duties, the machine trenches up to 16 in (41 cm) wide and up to 36 in (91 cm) deep.
A multi-position trencher—centerline to offset digging—allows operators to trench directly next to the backer board.
With 43 in (109 cm) of track on the ground, the machine has the stability to effectively cross-trench for added jobsite versatility.
The machine has no daily maintenance points and no grease zerks, improving ease of maintenance and reducing total cost of ownership.
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DIMENSIONS
DIMENSIONS
U.S.
METRIC
Height
57 in
1450 mm
Length, w/out chain
104.5 in
2654 mm
Length, w/36-in chain
130 in
3302 mm
Width
42 in
1065 mm
Width, excluding tracks
35 in
890 mm
Wheelbase
43 in
1092 mm
Ground clearance, min
Center
7.4 in
188 mm
Side
3.7 in
94 mm
Angle of departure
27°
Angle of approach
30°
Trench depth, max
36 in
914 mm
Trench width, max
16 in
406 mm
Digging chain
50K
Swing radius, front, 36-in chain
81 in
2057 mm
Swing radius, rear
44 in
1120 mm
Boom travel, up/down
60°
Headshaft height
23 in
584 mm
Centerline trench to outside edge of unit, right
4-20 in
102-508 mm
Centerline trench to outside edge of unit, right
21-37 in
533-940 mm
Headshaft overhang
18 in
457 mm
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Enhanced Productivity
ST37XEnhanced Productivity
Designed for jobsite versatility, the ST37X is the ideal machine for creating footings on residential or commercial properties, installing drainage pipe and other trenching and landscape tasks.
Heavy-duty chain with 50,000-lb tension creates a cleaner, more consistently deep and wide trench than an excavator can, and in less time.
Standard auto-throttle—incorporated into the LCD display—reduces engine throttle when there is no load on the engine for more efficient operations.
The machine’s compact package increases productivity on tight jobsites.
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Maximum Uptime
ST37XMaximum Uptime
A low-maintenance track-tensioning system features a grease cylinder for easy adjustments and track removal, simplifying machine maintenance.
The machine’s belt-free design reduces maintenance time and increases uptime.
Single-point, lockable fuel and hydraulic fluid tanks improve security and provide peace of mind.
Leverages the common design and standard operation of other Ditch Witch compact units to ease operator training and further simplify machine maintenance.
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BATTERY
BATTERY
SAE reserve capacity rating
110 min
SAE cold crank @ 0ºF (-18ºC)
800 amps
Electrical system
12V
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HYDRAULIC SYSTEM
HYDRAULIC SYSTEM
U.S.
METRIC
Auxiliary circuit
Double gear pump
Combined flow rate
13.9 gpm
52.7 Lpm
Pressure
3,625 psi
250 bar
Ground drive
Dual hydrostatic
Pressure
3,625 psi
250 bar
Flow rate
15 gpm
56.8 Lpm
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Best-in-Class Power
ST37XBest-in-Class Power
Powered by a Tier 4 Yanmar® diesel engine, the 37-hp (27.6-kW) machine provides best-in-class power for all machine functions.
Maximum 4.7-mph (7.6-km/h) ground drive speed, in both forward and reverse, enhances jobsite efficiency.
With a dedicated, integrated digging system, the machine allows for more power and increased productivity on footings and landscape jobs.
An auxiliary control foot pedal helps you maintain hydraulic flow to the trencher, freeing operator hands to control depth and ground speed.
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Comfortable Operator Platform
ST37XComfortable Operator Platform
Designed with operator comfort in mind, the machine is equipped with a best-in-class, 332-in2 (843-cm2) operator platform for outstanding comfort, stability and productivity during long working hours.
The spring-supported platform is larger and provides more ground clearance than the competition’s.
Standard dual-lever ground drive controls allow the operator to control each machine track independently for improved mobility on difficult jobsite conditions.
An advanced LCD display is mounted in the dash to provide direct visibility into engine diagnostics.
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POWER
POWER
U.S.
METRIC
Engine
Yanmar 3TNV88C
Fuel
Diesel
Number of cylinders
3
Displacement
100.1 in3
1.64 L
Bore
3.46 in
88 mm
Stroke
3.54 in
90 mm
Manufacturer's gross power rating
36.9 hp
27.5 kW
Estimated net power rating
35.1 hp
26.2 kW
Rated engine speed
3,000 rpm
Tilt angle, fore and aft, max*
30°
Tilt angle, side to side, max*
30°
Emissions compliance
EPA Tier 4 Final, EU Stage IIIA
*Exceeding these operating angles will cause engine damage. This DOES NOT imply that the machine is stable to maximum angle of safe engine operation.
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NOISE LEVEL
NOISE LEVEL
Operator ear sound pressure
89 dBA
Exterior sound power
103 dBA
