RT55

RT55 Heavy Duty Trencher
The 60-hp RT55 is designed for the toughest, tightest landscapes. Compact, powerful, and equipped with a low-noise Deutz engine, the RT55 works efficiently and inconspicuously even in the most sensitive urban settings. And with its multiple attachments, the RT55 is as versatile as you want it to be.
Key Features
  • Integrated front cast weight reduces the need for extended weight racks, no matter which attachment is used.
  • Quiet, emissions-compliant Deutz engine is built for maximum power and minimal maintenance.
  • Part of a complete microtrenching system that includes a specially configured RT45 or RT55 and a specially designed saw blade.
  • Heavy-duty frame, ground drive components, and backfill blade assembly ensure maximum durability and reliability.
  • Attachments include a traversing trencher, vibratory plow, combination trencher/plow, traversing saw, backhoe, and reel carrier.
Specifications
Dimensions
Trench depth, maximum
62"
Angle of approach
20°
Trench width, min-max
6 in - 12 in
Boom angle, down
55°
Boom angle, up
51°
Centerline of trench to outside edge
- Left, min
23.5 in
- Right, min
9 in
Head shaft height, digging chain
29 in
Height
95.2 in
Head shaft overhang
42 in
Length, nose to rear mount
114 in
Length, transport
128 in
Wheelbase
60 in
Spoil discharge reach, min-max
17 in - 30 in
Width
71 in
Tread
55 in
Ground clearance
10 in
Rear axle, center to rear attachment mounting holes
14.7 in
Operation
Maximum forward speed
- Low/1st
1.7 mph
- High/2nd
5.5 mph
Maximum reverse speed
- Low
1.1 mph
- High
3.4 mph
Maximum trenching speed @ full load (varies with soil condition)
150 fpm
Vehicle clearance circle (SAE)
- Front steer only
33.5 ft
- Coordinated steer
21.5 ft
Basic unit weight
5610 lb
Front counterweight
1915 lb
Maximum digging chain speed
764 fpm
Backfill Blade
Blade width
72 in
Blade height
14 in
Lift height, above ground
17 in
Blade drop, below ground
13 in
Maximum swing angle (left/right)
30°
Tilt angle (up/down)
16°
Power
Engine
Deutz F4M2011
Fuel
Diesel
Cooling medium
Oil/external
Injection
Direct
Aspiration
Natural
Number of cylinders
4
Displacement
189 in3
Bore
3.7 in
Stroke
4.4 in
Manufacturer's gross power rating (SAE J1995)
60 hp
Estimated net power rating (SAE J1349)
57 hp
Rated speed
2600 rpm
Emissions Compliance
EPA Tier 2, CARB Tier 4i
Power Train
Ground drive transmission
Hydrostatic drive, infinitely variable from zero to maximum, foot-pedal and hand-lever operated speed/direction control
Differentials
Planetary front and rear with optional rear steering
Parking brake
Spring-applied, pressure-released
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
Trencher drive transmission
Hydrostatic
Tires/Pressure
31 x 15.50-15, 8-ply, bar lug
40 psi
35 x 19.00, 12-ply, bar lug
55 psi
Hydraulic System
@ 2600 rpm
Ground drive pump capacity
32 gpm
Ground drive pump relief pressure
5000 psi
Attachment drive, trencher
5450 psi
Attachment drive, plow/saw
5450 psi
Attachment pump capacity
32 gpm
Auxiliary pump capacity
8/6 gpm
Auxiliary pump relief pressure
3000 psi
Fluid Capacities
Fuel tank
19.5 gal
Engine oil
16 qt
Hydraulic system
20 gal
Hydraulic reservoir
12 gal
Transmission
Hydrostat
Battery
Group
78 u
SAE reserve capacity rating
110 min
SAE cold crank rating @ 0° F (-18° C)
800 A
Auxiliary power outlet
12V, 10A
Noise Level
Differentials
General
Vibration Level
Conveyor Drive
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Posted in Compact, Trenchers & Vibratory Plows