GO BACK Mow-Master
Boom Mowers

PC 14-2
  • Handles 4" brush & trees easily
  • Deck is 60" wide for grass & brush
  • Head interchangeable with ditcher head
  • 50" flail optional for grass & brush
  • Reaches out 14' 6"
Single Lever Joystick Control Available!
PC 19-21-23
  • Boom lengths
    18 1/2', 20 1/2' & 22 1/2'
  • 50 " rotary deck is standard
  • Optional 50" brush flail
  • Optional 60" grass flail
  • Optional 60" rotary grass deck
  • 50" brush & grass head folds close for travel
  • Retractable shield on front-spring loads
  • Cuts up to 5" brush & trees

Specifications
Boom Mower with Rotary Cutter Head

Following Specifications are for the PC21 Boom

Boom Mower unit is of heavy duty construction to withstand the stresses of use on rugged terrain.  The boom mower is capable of interchanging with 22" Boom Ditcher or 50" Flail Mower Head or Side Mount 60" Rotary Mower.

1. Cutting width - 50 inches.
2. Skid shoes w/wear plates are replaceable.
3. 7 1/2" Solid steel spindle, machined to fitness.  11" long with 3 1/4" lower bearing & 2" upper bearing.
 4. Cast steel hydraulic deck motor - gear type.
5. Minimum spindle speed - 1900 RPM.
6. Retractable cutter shield (1 pc.) on deck.
7. Blade carrier disc with 2, 3, 4, or 6 off set knives. - grade #1045 steel 5/8" X 26" with 5/8" grade bolts attaching spindle and using 1 1/8" blade bolts.
8. Bearing hub is ground and polished. (tighter fit and more bearing life)
9. Cutting head has 425 degree combined rotation.
10.

All moveable joints smaller than 1 3/4" have steel bushings and replaceable grease zerks.

11. Cutting head weight 795 lbs.
12. Hydraulically powered, rotary cutting assembly.
13.

Main control valve - non restrictive, electric solenoid type.  Starter lock out switch and hydraulic brake.

14. Lexon polycarbonate in right rear window and door on right side of cab.
15. Main frame is mid mounted & braced to front of chassis and rear axle.
16.

3 hydraulic lift cylinders mounted on top of boom.   2 are double acting, 1 Single acting.  Also see accumulator option.

17.

Boom has 2 way hydraulically operated maneuvering cylinder for horizontal movement of cutter head. Cutter head has the capability of moving 26 forward and 28 rearward with limited relief protection and also acts as a safety breakaway.

18. Boom is supported by a hardened plain bearing having not less than 37 sq. inches of bearing area.
19. Reservoir has a minimum capacity of 65 gallons and equipped with in tank filter rated at 75 GMP, 25 micron element.  Reservoir  suction and return outlets shall be equipped with ball valves.  All sides of tank are open and have unrestricted air flow for cooling.
20. Hydraulic hoses, 1 1/2" ID suction, 1 1/4" ID return.
21. Pressure, return and lift system hydraulic steel lines and hoses are mounted at rear of boom arms.
22. Pump drive shaft from crankshaft of engine rated at 180 HP.
23. Cast iron hydraulic pump - gear type front engine mounted.
24. The wall thickness of boom is 1/4" reinforced.
 25. Inner boom is constructed of 6" x 8" rectangular tubing reinforced at all stress points.  Outer boom is constructed of 4" x 6" rectangular tubing reinforced at all stress points.
26. Lift control valve contains 4 tapered spools, metering type with 8 pilot pressure reliefs.
27. Wheel weight - 1,400 lbs.
28. Cutter Reach - up to 18' - 6"
29. Cutter Reach - out to 20' - 6"
30. Cutter Reach - down to 13' - 6"
31. Designed and built to pass ANSI testing.
* Note: Reach specifications may vary depending on tractor model & tire size.
Options:
  • Remote cable control to eliminate hoses in cab (recommended)
  • Rear PTO pump.
  • Rear mounted reservoir.
  • High pressure hydraulic system using 1" hoses.
  • 50" Flail head.
  • Ditcher head.
  • 60 inch rotary head.
  • Accumulator in main boom.

Specifications
Flail Heads

1. Cutter width - 50", 60", 75", 90" or 102".
2. Cutter Assembly - Hydraulically driven 2,200 RPM.
3. Cutter Shaft - Dynamically balanced, 6' diameter.
4. Side Plates - 1/2" wall drive side - 3/8" on outer end both with 2-3/16" bearing carriers.
5. Knife Swing Circumference - 62 1/2"
6. Roller - adjustable 0-6" full length tie-rod type, with contoured ends: 6-5/8" diameter with 1-3/8" grease type bearings
7. Cutter Head - 1/8" bonnet.
8. Skid Shoes are removable.
9. Interchangeable with Rotary heads & Ditcher head.
10. Drive Belt - double C belts, 90 HP rated.
11. 50" Flail - 52 reversible general purpose knives or 26 H.D. 2-1/2" cup knives.
12. 60" Flail - 60 reversible general purpose knives or 30 H.D. 2-1/2" cup knives.
13. 75" Flail - 76 reversible general purpose knives or 38 H.D. 2-1/2" cup knives.
14. 90" Flail - 96 reversible general purpose knives or 48 H.D. 2-1/2" cup knives.
15. 102" Flail - 104 reversible general purpose knives or 52 H. D. 2-1/2" cup knives.

 

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