B71M & B80M

A professional range of machines designed for smaller, lightweight tractors. Requiring only a mass of 4900kg for the tractor, this range of arm mowers really gives the contractor true flexibility.

The 3 arm arrangement gives a versatile reach characteristic, allowing cutting over obstacles such as fences and guard rails.

Key Features

  • 7.1m or 8m reach
  • 1.2m or 1.5m cutting heads
  • Oil cooled as standard
  • ICS fully proportional control

Product Specifications

Standard = Standard   Optional = Optional   Not Available = Not Available

Model7.1m (23'7")8.0m (26'3")

Tractor Requirements

Minimum horse power 120hp 140hp
Minimum weight 4900kg / 10803lbs 5200kg / 11464lbs

Base Unit Mounting Options

Front mount Not Available Not Available
Mid-mount Not Available Not Available
Rear mount Standard Standard
Three point linkage (CAT II) Not Available Not Available
Axle bracket Standard Standard

Overall machine parameters

Machine weight with head and oil 2290kg / 5049lbs 2490kg / 5490lbs
Capacity of oil tank 250 Litres / 66USG 250 Litres / 66USG
Weight of machine with oil but without head 2000kg / 4409lbs 2200kg / 4850lbs

Controls

Cable control (CC) Optional Optional
Low pressure hydraulics (LPH) Not Available Not Available
Electronic proportional control (EPP) Optional Optional
Intelligent control system (ICS) Standard Standard
Cable rotor reverse Standard Standard
Electronic rotor reverse Optional Optional

Hydraulic system

System capability 74 hp 74hp
Pump flow rate 125 Litres / 33USG 125 Litres / 33USG
Pump type (Gear / Piston / Helical) Gear Gear
Pump arrangement (Twin / In-line) Twin Twin
Independent hydraulics Standard Standard
Oil cooler Standard Standard

Arm features and main frame  

Forward arm [S] [S]
Telescopic arm [NA] [NA]
Telescopic arm stroke [NA] [NA]
Power slew [S] [S]
Power slew angle 110° 110°
Gravity breakout protection [NA] [NA]
Hydraulic breakout protection [S] [S]
Arm float - Manual operation [NA] [NA]
Arm float - Electronic operation [S] [S]
Head float - Manual operation [O] [O]
Head float - Electronic operation [S] [S]
Left hand cutting [O] [O]
Right hand cutting [O] [O]
Left and right hand cutting [S] [S]

Arm attachments available  

Variable track bracket (VTB) Optional Optional
Sheartrim cutter bar Optional Optional
Pro-Saw Optional Optional
Ditch cleaner Optional Optional
Rotary head Optional Optional

Accessories

Road Lights [NA] [NA]
Debris Blower [NA] [NA]
Warning Arrow (Magnetic / Fixed) Optional Optional
Cab Guard Kit Standard Standard

Cutting Heads

1.2m Pro-Cut with 115mm Roller Optional Optional
1.2m Pro-Cut with 150mm Roller Optional Optional
1.5m Pro-Cut with 115mm Roller Optional Optional
1.5m Pro-Cut with 150mm Roller Optional Optional
1.2m Pro-Cut ISMP with 115mm Roller Optional Optional
1.2m Pro-Cut ISMP with 150mm Roller Optional Optional

Flails

See the table below to see which flail heads are available for the different cutting heads listed above.

 BBMP44HS60Pro FlailT40T60True CutBushmaster
1.2m Pro-Cut with 115mm roller Optional Optional Optional Optional Optional Optional Optional Optional
1.2m Pro-Cut with 150mm roller Optional Optional Optional Optional Optional Optional Optional Optional
1.5m Pro-Cut with 115mm roller Optional Optional Optional Optional Optional Optional Optional Optional
1.5m Pro-Cut with 150mm roller Optional Optional Optional Optional Optional Optional Optional Optional
1.2m Pro-Cut ISMP with 115mm roller Optional Optional Optional Optional Optional Optional Optional Optional
1.2m Pro-Cut ISMP with 150mm roller Optional Optional Optional Optional Optional Optional Optional Optional

Fittings & Add-ons

There are a number of fittings and add-ons available for this model. Click on the links below to find out more about the specific items available.

Working Reach Dimensions

Head used to calculations: 1.2 Pro Cut


 7.1m (23'7")8.0m (26'3")
A 7.1m 23'7" 8.0m 26'3"
B 6.95m 23' 7.85m 25'9"
C 5.27m 17'3" 6.17m 20'3"
D 4.75m 15'5" 5.65m 18'6"
E 8.26m 26'3" 8.9m 29'2"
X 1.35m 4'7" 1.35m 4'7"
Y 1.0m 3'3" 1.0m 3'3"