• 24" (61 cm), 36" (91.5 cm) or 48" (121.9 cm) booms available
  • 4" (10.2 cm), 6" (15.2 cm), 8" (20.3 cm) or 12" (30.5 cm) chain widths available
  • Heavy-duty nose roller bearing lasts longer providing less "shock" to the trencher assembly and chain
  • 3 foot (.9 m) boom configuration

High-torque, heavy-duty drive system guarantees performance in the toughest soil conditions from rock to caliche. Dig trenches up to 50" (127 cm) below grade. Heavy-duty nose roller bearing and reversible abrasion-resistant boom give you years of dependable use.

Reversible Boom

Reverse the boom on the trencher to double the life! The boom is made of high abrasion resistant material to fight wear and last longer.
Dimensions: 24" (61 cm), 36" (91.5 cm) or 48" (121.9 cm)

Chain Tensioner

Designed for easy access and low maintanence. Allows operator to easily adjust chain tension to fit soil conditions.

Nose Roller

Heavy-duty nose roller bearing with triple lip seal.

  • Auger Diameter
    12.5" (31.8 cm)
  • Auger Speed
    120 rpm at 11gpm (41.6 lpm)
  • Height
  • Torque
    675 ft/lbs. (915.2 N)
  • Trench Width
    4" (10.2 cm), 6" (15.2 cm), 8" (20.3 cm) or 12" (30.5 cm) chain widths available
  • Weight
    390 lbs with boom and chain
  • Width
    35" (88.9 cm)
Trencher Chains

•Cup and combo chains come standard with 2-pitch, anti-back flex design preventing chain links from "flexing" back in tough soil conditions.
•4" and 6" chain widths available in soil/cup, combo cup/rock, welded rock, and bullet style rock tooth configurations. Lengths for 24" and 36" booms (48" boom chains available in soil/cup and combo cup/rock only).
•Chain widening kits available for soil/cup chains to increase width to 8" (part number 117-3480) or 12" (part number 117-3481) widths.

Trencher Crumber

The Toro crumber is designed specifically to make the trench bottom clean and smooth. The crumber follows behind the chain to clean all "crumbs" from the bottom of the trench. The hardend tip of the crumber pulls any loose material back into the chain teeth.

Optional Auger

Recommeded for 8" and 12" chain kits and when using 48" boom - longer auger helps full more dirt away from trench. Part number 117-3433-03.

Select your serial number range from the options below to view parts & manuals.

22470 Serial #