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Blackstone BM-CD 140 - Tractor-mounted flail mower - Medium series - Hydraulic shift

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ID: 110570

EAN: 8054141546943

MPN: BM-CD 140

8,9/10
After-sales assistance & Spare parts
Blackstone BM-CD 140 - Tractor-mounted flail mower - Medium series - Hydraulic shift
+60 sold
Prompt Delivery
11 items in stock
Free Shipping
Estimated delivery: 02/10/2026 - 06/10/2026
Suggested price:
€ 2.487,40
€ 1.865,55
Vat included
Technical data
Tractor power
From 35 to 40 HP
Sturdiness/Series
Medium
Weight
310 Kg
Cutting width
140 cm
Shift
Hydraulic
Standard cutting tools
Hammer flails
Hammer flail weight
0.8 Kg
Cardan shaft
Yes
Double spiral rotor
yes
Product Features
Model
Blackstone BM-CD 140
Mulcher type
Standard rear mulcher
Tractor power
From 35 to 40 HP
Sturdiness/Series
Medium
Shift
Hydraulic
Double spiral rotor
yes
3-point hitch category
First
Cardan shaft rotation
Clockwise
Manufacturing country
China
Transmission data
Side drive belts
3
Cutting data
Cutting width
140 cm
Wood diameter
Up to 35 mm
No. of blades
18
Standard cutting tools
Hammer flails
Hammer flail weight
0.8 Kg
Equipment
Counter-blade
Single row
Hydraulic Piston for moving
Yes
Rear support roller
Yes
Free gifts/extra features
Side skids
Yes
Cardan included
Yes
Cardan shaft
Yes
Instructions manual
Yes
Dimensions and logistics
Product dimensions in cm (L x W x H)
140x80x80 cm
Net weight
310 Kg
Packaging
On pallet
Original packaging/s dimensions in cm (L x W x H)
203X84X60 cm
Weight including packaging
332 Kg
Unloading with hydraulic tail lift
Yes
Assembly time
30 minutes
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Description

Blackstone BM-CD 140 - Tractor-Mounted Flail Mower

The Blackstone BM-CD 140 medium-series flail mower with hydraulic side shift is an agricultural machine designed to cut and work medium-sized greenery, i.e. grass, straw or crop residues. The hydraulic displacement system allows the position of the flail mower with regard to the tractor to be adjusted in order to suit different working conditions. This system makes it possible to place the machine to the right or left of the towing vehicle, allowing a greater working width to be achieved or to adapt to particular ground conditions.

This configuration allows the operator to cut efficiently and accurately along field edges or in narrow areas, reducing the need for subsequent passes or additional manual work. Furthermore, the use of a hydraulic system simplifies adjustment operations and allows more precise control of flail mower positioning.

The Blackstone BM-CD 140 flail mower can be used in agriculture on cultivated land, meadows, pastures or for the maintenance of green areas such as parks or gardens.

On this model it is possible to install a practical inter-row disc to optimise the various shredding operations, thanks to a holder that is supplied as standard.

Medium-sizedseries flail mower, suitable for mainly hobby use, equipped with hydraulic side-shift, 3 drive belts, rear roller and double opening bonnet.

TECHNICAL DATA (brief overview):

  • Real working width: 140 cm
  • Real width (side skids already assembled): 160 cm
  • Weight: 302 kg
  • Side hydraulic shift
  • 1° Category 3-point hitch
  • 3-belt drive transmission

Hydraulic side shift and 3 point-hitch

The Blackstone BM-CD 140 flail mower is equipped with hydraulic shift.

The three-point hitch slides on two sturdy tubes, both 117 cm long.

Focus on the piston that controls the hydraulic shift (32 cm) of this flail mower. This allows the position of the cutting unit to be adjusted and moved laterally compared to the machine frame. This feature allows the cutting unit to be aligned with the vegetation to be cut and to work efficiently even under the most demanding shredding conditions.

Universal standard PTO ( 1 3/8" Z6 )

Universal joints suitable for all tractors on the market.

Focus on the sturdy 1° category 3-point hitch,

Wheelbase size: 61 cm

Height of the two lowest pins from the ground: 30 cm

Height from the highest pin from the ground: 76 cm

 

Side-shift adjustment diagram : 

  • A : 92 cm
  • B : 114 cm
  • C : 206 cm
  • E : 153 cm
  • D : tractor width
  • H : E - 1/2 (D)

Side belt transmission and geared reducer

This flail mower has been designed to support an inter-row disc (available separately on the site), which can be attached to the machine by means of a practical bracket (supplied).

Gearbox in oil bath. The housing is made of cast iron, while the internal gears are made of hardened steel.

This machine is equipped with a freewheel device (or additional joint) built in the gearbox; this ensures a long service life of all the moving parts of the machine, preventing the kickback that would be caused by changing from 540 rpm to 0 rpm and allowing the rotor to turn freely until it stops.

3-belt side transmission (most tractor-mounted flail mowers in this weight category are equipped with standard 3-belt transmission)

Focus on the side belt protection guard.

Focus on the transmission side grease nipple.

Detail of the gearbox:
1 - Oil level cap
2 - Oil drain cap
3 - SAE 80/90 oil filler cap and vent


ATTENTION!

The gearbox of this machine can contain no more than 1.2L of lubricating oil.

Please carefully read the instructions manual before starting the unit.

Standard 1 3/8” z6 PTO (suitable for all current and recently manufactured tractors): whether you own a particularly old tractor, make sure that it s equipped with the same PTO and with standard clockwise rotation (right-side).

Stabilisation accessories - rear roller and side skids

Height-adjustable rear supporting roller provided on standard equipment.

Support roller protection rod.

Focus on one of the two standard adjustable side support skids.

Gearbox in oil bath.

B-section 3-belt side drive.

Focus on the protective casing, with central opening for grease nipple.

Focus on the side supporting device with hammer rotor internal locking bearing.

Focus on the external rotor, with central opening provided with greaser.

Sturdy set of front protection slaps made of shaped steel.

Focus on the external anchoring of the rear roller, with central opening provided with greaser.

Cutting tools: hammer flails

No. of hammers fitted on standard equipment: 18.

Focus on the cutting hammers, mounted on the rotating roller.

Hole width: 16 mm.

Blade width: 13,5 cm

Weight of the single hammer flail: 800 g

These hammers are fixed to a rotor inside the machine.

It finely shreds grass and twigs, while simultaneously rolling the turf. Thanks to the high number of rotor revolutions and the number of hammers (hammer flails), it allows reducing the wave impact of the grass cover and performing excellent shredding operations.

Figurative image of the double-spiral rotor.

Recommendations for Use - Tractor-mounted Fixed Flail Mowers

To ensure correct operation, a longer service life and safe working conditions, it is essential to use the tractor-mounted flail mower in accordance with the instructions set out in the user manual and the machine’s technical specifications. Incorrect use may result in premature wear of components, reduced performance or damage not covered by the warranty.

Before starting work, always check that the tractor is compatible with the flail mower by verifying the required power, hitch type and intended operating conditions. Correct matching of the machine and the tractor ensures optimum performance and prevents the transmission from being overloaded.

  • Use the flail mower exclusively on suitable surfaces: the machine is designed for grass shredding, wild vegetation, plant residues and materials compatible with the machine’s category. Avoid contact with unintended objects such as stones, metal, plastic or other foreign bodies.
  • Adjust the working height correctly: maintaining an adequate distance from the ground reduces the impact on the cutting units and limits excessive stress on the machine’s structure.
  • Do not operate the machine where there are hidden obstacles or unsuitable ground conditions: ditches, stumps, exposed roots, loose stones or uneven ground can cause sudden impacts and damage to the cutting parts or transmission components.
  • Do not use the flail mower for operations other than shredding: the machine must not be used for earthmoving, ground levelling or other applications not specified by the manufacturer.
  • Always adjust the forward speed to suit the working conditions: excessive speed can reduce the quality of the shredding, increase vibrations and subject the machine to stresses greater than those for which it was designed.
  • Avoid using the machine on excessively damp material: wet grass or particularly damp vegetation can cause material to build up inside the machine, reducing its efficiency.
  • Do not force the tractor forward: if the rotor slows down, vibrations increase or cutting capacity decreases, speed must be reduced and the work adapted to the conditions of the ground and vegetation.
  • Check the condition of the cutting components regularly: worn, damaged or missing blades, hammers or other cutting elements can compromise the machine’s operation and increase vibrations during use.
  • Carry out periodic checks and routine maintenance: check that components are correctly tightened, inspect the condition of the transmission components and ensure the machine is generally clean to maintain its efficiency and safety.

Use of the power take-off (PTO):

The tractor’s power take-off (PTO ) must be used in accordance with the rotational speed specified by the flail mower manufacturer. An incorrect rotational speed may compromise the machine’s operation, causing overheating, accelerated wear or excessive stress on mechanical components.

When attaching and detaching the flail mower, the power take-off must always be disengaged and the tractor switched off. It is also necessary to check that the PTO shaft is correctly installed and has sufficient clearance to move freely while working.

Free items & Standard equipment

Free items included

The flail mower is shipped partially assembled on pallet (you’ll only have to assemble the 3-point hitch and a few other small components)

Cardan shaft included in the package.

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