| RT20 | |
 | |
| Dimensions | Trench depth, maximum
48 in
Trench width, min to max
4.3 in - 6 in
Boom travel down
60⁰
Boom travel up
60⁰
Head shaft height
8.6 in
Length - transport
84 in
Width - transport
33 in
Height - transport
47 in
Tread
26 in
Angle of departure
35⁰
Wheelbase
32 in
Centerline trench to outside edge of machine, left
15 in
Centerline trench to outside edge of machine, right
18 in
Angle of approach
85⁰
Spoil discharge reach
10.6 in
|
| Operation | Vehicle speeds
- Maximum transit forward (tire)
243 fpm
- Maximum transit reverse (tire)
97 fpm
- Maximum transit forward (track)
169 fpm
- Maximum transit reverse (track)
68 fpm
Digging chain speed @ 3600 rpm
- 12-tooth sprocket
389 fpm
- 10-tooth sprocket
324 fpm
Spoils handling (single auger)
- Outer diameter
12 in
- Inner diameter
4 in
- Length
9 in
Operating weight
"With 33,000-lb test, two-pitch digging
chain and 24-in roller boom "
1020 lb
"With 35,000-lb test, 4.6 in Combo Shark digging
chain, Rotowitch, backfill blade, tracks and trench cleaner "
1461 lb
With 24in X 4 in (based on roller boom and narrow width digging chain
NA
|
| Power | Engine
Honda® GX630
Fuel
Gasoline
Cooling medium
Air
Number of cylinders
Two
Manufacturer's net horsepower rating
20.8 hp
Net torque @ 2500 rpm
35.6 lb-f
Rated speed
3600 rpm
Fuel consumption @ 3000 rpm
1.2 gph
|
| Power Train | Ground drive transmission
Hydrostatic, speed infinitely variable from zero to maximum, speed and direction controlled with dual levers
Digging chain drive
Hydraulic direct drive, dual lever-operated, one speed forward and reverse
Pump drive
Direct drive from engine
Trencher drive
- Hydraulic
Direct Drive
- Chain drive sprocket
Forged and tempered
Digging tools
Bolt-on cup teeth with hard surfaced edge of tungsten carbide
Spoils handling drive type
Mechanical, attached to and rotates with headshaft
|
| Tires | Drive
- 18 x 9.5 x 8 bar lug
12 psi
- 18 x 9.50x 8 turf NHS
22 psi |
| Hydraulic System | Digging drive pump capacity @ 3600 rpm
7.8 gpm
- Pressure
3200 psi
- Auxiliary pump
.5 in³
- Auxiliary motor
8 in³
Ground drive dual hydrostat pump @ 3600 rpm
11.4 gpm
- Pressure
2320 psi
- Ground drive pump 2x
.4 in³
- Ground drive motor 2x
24.1 in³
Filtration: Return flow, 10 micron nominal
Hydraulic cylinders
- Function: Boom lift
- Type: Double acting |
| Steering | Skid steered, lever controlled |
| Fluid Capacities | Fuel Tank
3.5 gal
Engine Oil
2.1 qts
Hydraulic reservoir
8 gal
Hydraulic system
8.5 gal |
| Battery | 12-volt, top-post
SAE reserve capacity: 41 min
SAE cold crank: 340 amps |
| Vibration Level | Vibration at the operator's hand during normal operation
6.639 m/s² |
| Noise Level | Operator 90 dbA sound pressure per ISO
6394
Exterior 102 dbA sound power per ISO
6393 |
OUR AFFILIATE COMPANIES:
