Trenchers Diggers

CODE 9131

DAY  $  325.00
WEEK  $ 1137.50
MONTH  $ 3250.00
Ditch Witch 3700 Ditch Witch RT40
  • Length: 78"

  • Width: 45"

  • 18 HP Engine

  • 1300 Lbs.

Dimensions
U.S.
Metric
Height
86 in
2.18 m
Length-transport
155 in
3.91 m
Width
64 in
1.63 m
Power Plant
U.S.
Metric
Engine
Deutz F3M2011

 

Providing high performance in a compact package, the Ditch Witch 3700 features a superior hydrostatic digging drive designed for open-cut installation of water, sewer, gas and power lines. This is an excellent choice for rental yards, utility companies and utility contractors, especially for jobs with a restricted working area. The RT40 is a compact, productive, new addition to the RT Family. They are operator friendly, versatile, fit on small jobsites, are compact and powerful. In addition, they have high street appeal. The RT40 design is based on the most popular trencher in its class – ever.
3700 Specifications
DIMENSIONS:    U.S.    METRIC
Angle of approach   20°   20°
Overhang beyond tire   3.5 in   90 mm
Height   86 in   2.2 m
Length - transport   155 in   3.9 m
Wheelbase   48 in   1.2 m
Width   64 in   1.6 m
Tread   46 in   1.2 m
         
GENERAL:        
Ditch Witch model 3700 tractor, 4-wheel drive, rigid frame, hydrostatic ground drive through rubber tires, 2-wheel power steering, hydrostatic attachment drive, riding unit.
 
 
OPERATION:
Vehicle speeds
    Max. forward speed   4.3 mph   7.2 km/h
    Max. reverse speed   1.7 mph   2.8 km/h
    Max. digging chain speed @ 2500 rpm engine speed   420 fpm   128 m/min
Vehicle clearance circle (SAE)
    With front wheel steer   28 ft   8.5 m
    With rear wheel steer   20 ft   6.1 m
Operating weight*   4200 lb   1910 kg
Max. headshaft speed @ 2500 rpm engine   210 rpm   210 rpm
Auger: single, tapered, with outboard support bearing
    Max. diameter   24 in   610 mm
    Min. diameter   18 in   460 mm
Length   13 in   330 mm
* Operating weight based on H313 attachment with shortest boom, 6 in (150 mm) wide chain, and 175 lb (79 kg) operator.
         
BACKFILL BLADE        
Blade width   64 in   1.6 mm
Blade height   14 in   355 mm
    Lift height above ground   12 in   300 mm
    Blade drop below ground   8 in   200 mm
Maximum swing angle (left/right)   28°   28°
Tilt angle (up/down)   11°   11°
         
   
POWER:
  U.S.    METRIC
Engine: Deutz F3L1011F, air cooled diesel, direct injection with individual cylinder injection pumps
Fuel: Diesel        
Displacement   125 in3   2050 cm3
Bore   3.58 in   90 mm
Stroke   4.13 in   105 mm
Engine gross power @ 3000 rpm   45 hp   33 kW
Max. governed speed as installed (no load)   2650 rpm   2650 rpm
SAE net power @ 2500 rpm   37.5 hp   28 kW
         
HYDRAULIC SYSTEM:        
Ground drive pump capacity   28.4 gpm   107 L/min
Ground drive pump relief pressure   3750 psi   258 bar
Attachment pump capacity   28.4 gpm   107 L/min
Trencher chain pump relief pressure   5000 psi   345 bar
Plow and saw pump relief pressure   3750 psi   258 bar
Auxiliary pump capacity   11 gpm   42 L/min
Auxiliary pump relief pressure   2500 psi   172 bar
         
FLUID CAPACITIES:   U.S.   METRIC
Fuel tank    13 gal    49 L
Engine oil (refill)   6 qt   5.5 L
Hydraulic reservoir   9.5 gal   36 L
Hydraulic system   13 gal   49 L
 
BATTERY:
Group 26/26R/70, cold crank @ 0° F (-18°C), 500 amp - cranking amps @ 32°F (0°C), 700 amp
 
NOISE LEVEL:
Operator 91 dbA sound pressure per ISO 6394
Exterior 106 dbA sound power per ISO 6393
RT40 Specifications
Dimensions
U.S.
Metric
Trench depth, max
63 in
1.60 m
Angle of approach
20°
20°
Angle of departure
17°
17°
Trench width, min to max
6-12 in
150-300 mm
Boom angle, down
58°
58°
Boom angle, up
50°
50°
Centerline of trench to outside edge
    Left
35 in
890 mm
    Right
29 in
740 mm
Headshaft height, digging chain
17 in
430 mm
Overhang, beyond tire
3.5 in
90 mm
Height
86 in
2.18 m
Headshaft overhang
24.5 in
620 mm
Length, transport
155 in
3.94 m
Wheelbase
48 in
1.22 m
Spoil discharge reach, min to max
17-20 in
430-510 mm
Width
64 in
1.63 m
Tread
46 in
1.17 m
Ground clearance
7 in
180 mm
Operation
U.S.
Metric
Maximum forward speed
4.3 mph
6.9 km/h
Maximum reverse speed
2.7 mph
4.4 km/h
Maximum trenching speed, @ full load (varies with soil conditions)
150 fpm
45.72 mpm
Vehicle clearance circle (SAE)
    Front steer only
28 ft
8.53 m
    Coordinated steer
20 ft
6.10 m
Basic unit weight
4,200 lb
1,910 kg
Maximum digging chain speed
420 fpm
128.02 mpm
Backfill Blade
U.S.
Metric
Blade width
64 in
1.63 m
Blade height
14 in
356 mm
Lift height above ground
12 in
300 mm
Blade drop below ground
8 in
200 mm
Maximum swing angle (left/right)
28°
28°
Tilt angle (up/down)
11°
11°
Power
U.S.
Metric
Model
Deutz F3M2011
Fuel
diesel
Cooling medium
oil/external
Injection
direct
Aspiration
natural
Number of cylinders
3
Displacement
142 in3
2.3 L
Bore
3.7 in
94 mm
Stroke
4.4 in
112 mm
Engine manufacturer's gross power rating (SAE J1995)
42.2 hp
31.5 kW
Estimated net power rating (SAE J1349)
39 hp
29 kW
Rated speed
2300 rpm
2300 rpm
Power Train
U.S.
Metric
Ground drive transmission
hydrostatic drive infinitely variable from zero to max, foot-pedal and hand-lever operated speed/direction control
Differentials
Dana model 44, limited slip; optional Dana model 60, limited slip
Parking brake
disc, hand operated
Service brake
ground drive speed/direction control brakes machine hydraulically when moved to neutral position
Attachment drive transmission
hydrostatic, lever-operated, speed infinitely variable from zero to maximum forward with limited stroke reverse
Trencher drive transmission
hydrostatic
Tires
U.S.
Metric
26X12.00-12 4-ply bar lug
20 psi
138 kpa
29X12.50-15 4-ply bar lug
30 psi
207 kpa
Hydraulic System @2300 rpm
U.S.
Metric
Ground drive pump capacity
29.3 gpm
111 L/min
Ground drive pump relief pressure
3750 psi
258 bar
Attachment drive, trencher
5,000 psi
345 bar
Attachment drive, plow/saw
3,750 psi
259 bar
Attachment pump capacity
29.3 gpm
111 L/min
Auxilliary pump capacity
10.2 gpm
39 L/win
Auxilliary pump relief pressure
2500 psi
172 bar
Filtration
25 psi (1.7 bar) return/charge pump; 15 psi (1 bar) bypass, 10 micron nominal
Fluid Capacities
U.S.
Metric
Fuel Tank
13 gal
49 L
Engine Oil
8 qt
7.6 L
Hydraulic reservoir
9.5 gal
36 L
Hydraulic system
13 gal
49 L
Transmission
hydrostat
Battery
U.S.
Metric
Group
26/26R/70
SAE reserve capacity rating
85 min
SAE Cold Crank rating @ 0° F (-18° C)
525 amps
Auxilliary power outlet
12V, 5A