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Overview

Built to last and developed on some of the world’s most rugged terrain, the McHale range of round balers and round and square bale wrappers is known throughout the world for durability, reliability, innovation and value for money.

As with all McHale machines, the V6 Variable Chamber Round Baler Range has been designed with the demands of today’s farmer and contractor in mind.

The McHale V6 Variable Chamber Round Baler Range features two machines

  • The V6740 Non-Chopper Baler
  • The V6750 Semi-Automatic 15 knife Chopper Baler

The McHale V6740 is a non-chopper variable chamber baler that is equipped with a high intake feed rotor to ensure even and efficient crop flow to the bale chamber. The McHale V6740 is driven by a primary drive system for optimum bale formation. Central grease blocks are tted on the machine for greasing whilst oiling is controlled through the continuous oiling system. Net and bale density can be adjusted from the cab through the Expert Plus control console. The machine is fitted with 460/65-20 tyres as standard.

Features Include

  • 2.1m High-Intake Pick-Up with Galvanised Bands
  • High Intake Feed Rotor
  • Expert Plus Control System
  • Centralised Greasing Blocks
  • Optional Camless Pick-Up

 

 
Features

A Split Drive Gearbox is fitted to all machines in the McHale variable chamber baler range.The gearbox design ensures that power is evenly distributed to both sides of the baler.

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The belt(s) in the bale chamber are driven from the left hand side of the machine, and the pickup and chopper unit are driven from the right hand side of the machine. This system ensures direct, short transfer paths, leading to optimal power distribution

 

Over the last decade, McHale have developed various types of pick-ups. After extensive testing, McHale decided it would offer customers the choice of 2 pick up options depending on their conditions;

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Cam Pick-Up

  • As standard, a cam operated 2.1m high-intake galvanised pick-up ensures excellent ground cleaning in all types of crop. The cam pick-up runs on a cam track that is fitted with double raced cam bearings to stand up to the most testing of conditions.
  • All pick-ups across the McHale variable chamber baler range are fitted with 5 tine bars for excellent delivery of crop to the bale chamber. The 2.1 metre galvanised pick-up will lift even the shortest of crop. A side inspection port allows the operator to quickly check and change the cam bearings.

Camless Pick-Up

  • A 2.1m camless pick-up is available as an option on all machines in the variable chamber baler range. Six tine bars are fitted to all McHale camless pick-ups to provide excellent ground cleaning and fast delivery of crop to the chamber. The new camless pick-up has been designed for increased output, with that in mind the cam-track free pick-up is more reliable, consists of less moving parts and is maintenance free.

All McHale pick-ups come with a number of Standard Features that include

Heavy-Duty Pick-Up

  • All McHale pick-ups feature heavy-duty tine bar supports to ensure long service life. A vital part of the pick-up is the tine, McHale have developed a pick-up tine designed to lift even the shortest of crop.

Efficient Crop Flow Delivery

  • The specially designed McHale pick-up is positioned close to the rotor to improve delivery of the crop through the rotor to the bale chamber. Large diameter lateral feed augers help direct crop to the bale chamber ensuring a consistent and even crop flow for producing high density bales.

Adaptive Intake

  • Over the course of a baling season, machines have to work with different volumes of crop. McHale have designed an adaptive intake which allows the intake area to automatically adjust for light and heavy crops. This avoids peak loads and results in higher daily throughput regardless of working conditions.
 

The V6740 is fitted with a Twin Finger Rotor.

The star shaped feed rotors ensure a high capacity flow of grass into the bale chamber.

The flights on the rotors are laid out in a spiral formation to achieve consistent crop flow.

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As crop enters the rotor, rotating flights feed the crop to the bale chamber. The flights on the rotor ensure high output, while the star layout reduces the load peaks as the machines work in heavy swaths.

 

For over a decade, all machines in the variable chamber baler range are fitted with the McHale Drop Floor Unblocking System , a feature which operators have come to love for it’s simplicity of use and effective unblocking cycle.

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As baling conditions are not always ideal, uneven swaths can occur which can lead to blockages. The McHale variable chamber baler range is fitted with a drop floor unblocking system, which means blockages can be fed through in three simple steps.

Drop the Floor

  • Should a blockage occur, the sound of the slip clutch alerts the operator, who can hydraulically lower the floor from the tractor cab.

Re-engage the PTO

  • This widens the feed channel and on re-engaging the PTO, the blockage can be fed through.

Reset the Floor

  • The floor can then be reset to its original position and baling can resume.
 

The bale chamber on the McHale variable chamber baler range is comprised of Heavy Duty Endless Belt(s). The belts are extremely hard wearing and are reinforced  with synthetic material, which ensures that the belt(s) can absorb and apply high pressure to the material in the bale chamber.

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Bale Sizes

  • The V6740 & V6750 balers can make a bale from 0.6m (2′) to 1.68m (5’6″).

Size increments

  • The bale size can be adjusted up from the minimum setting in increments of 10mm (2/5″)
 

A heavy-duty drive system powers belt and bale rotation on all machines in the variable chamber baler range. A primary drive system powers the belt(s) on all McHale V6740 machines.

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All V6 variable chamber balers are equipped with 3 heavy- duty endless belts as standard. These strong belts exert a high pressure on the bale in order to form a dense bale in the chamber. These belts are manufactured to the highest of standards using layers of synthetic and rubber material to form a durable endless belt with no joins. A single full width endless belt is also available as an optional extra on the V6740 variable chamber baler.

Bale Shape Indicators

  • All machines in the McHale variable chamber baler range are fitted with ultra sonic bale shape indicators, which indicate to the operator via the control console, which side of the chamber needs to be filled.

Mechanical Tailgate Locking System

  • The tailgates on all McHale variable chamber balers are fitted with a pair of mechanical locks, which keep the bale chamber securely closed. These locks remain activated until, the progressive density system reaches the preset bale size and density and the required amount of net has been applied. This eliminates the need for the chamber door to rely on hydraulic pressure when making high density bales.
 

The McHale variable chamber baler range of balers are all fitted with a continuous oiling system. Once the PTO is engaged, the continuous oiling system constantly lubricates the chains to ensure a long lifetime.

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The continuous oiling system on the machine is driven off the gearbox and delivers oil to the following chains:

  • Chamber Drive -Side Chains
  • Rotor – Drive Chain
  • Pick-Up – Drive Chains
  • Pick-Up – Cam Track
  • Pick-Up – Drive Gears

Greasing

All machines come fitted with a number of manual greasing points which are easily accessible throughout the baler either individually or through a centralised greasing block. The following bearings highlighted below are greased:

  • Bale Chamber – Drive Side
  • Bale Chamber – Non-Drive Side
  • Rotor Bearings – Drive Side
  • Rotor Bearings – Non-Drive Side
 

The McHale V6740 and V6750 is fitted with an Expert Plus control console, which has a large graphic display.The Expert Plus console, also gives the operator the choice of selecting a soft or hard bale core, depending on the customers feed out requirements. The control console can also store ten bale count totals so the operator can record ten different counts that may be associated with different fields or different customers.

 

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From the control console in the tractor cab the operator can adjust the following;

  • Core Size & Bale Size
  • Core Density & Bale Density
  • Revolutions of Net Being Applied

The McHale Expert Plus Control Console also features:

  • Knife Display
  • Door Position Display
  • Pre-Net Bale Formation Alert
  • Net Usage (Metres)
  • Bale Size Setting
  • Bale Size Display
  • Drop Floor Display
  • Lube Count
  • Lube Alarm
  • Net Layers
  • Bale Density
  • Bale Shape Indicator
 

A high performance netter has been designed and developed for the McHale variable chamber baler range. This netter is very reliable and features:

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Endless Adjustment

  • Endless adjustment of tension to ensure optimum net usage and bale shape

Up to 1300mm

  • Capacity to take rolls of net wrap up to 1300mm in width and 4500m in length (when using the optional 1300mm netter)

180-Degree Wrap

  • 180-degree wrap around on the rubber feed roller, eliminating any net slippage while feeding

Net Stretch Application

  • A simple yet very effective netting system comprising of a moving roller allows the roll of net to rotate as it is being applied to ensure even net application. Net is stretched around the bale using a hydraulic brake.
  • The brake places a resistance on the speed at which the roll of net can rotate, the greater the resistance the more stretch that is applied to the net. The operator can adjust net tension without having to leave the comfort and safety of the tractor cab.

Net Layer

The operator can select bale diameter and the number of layers of net to be applied from the control box. The machine will automatically adjust the net application for different bale diameters.

Net Loading & Storage

  • The operator simply releases the straps on the spare roll of net on the machine platform and moves the roll of net into position. To aid the loading process for the operator, the roll of net can be placed in the net roll loading cradle whilst being threaded through the netter. Once in position, the operator moves the net roll tension bar to hold the roll of net in place. Storage for two extra rolls of net is provided on the baler platform.

Bale Kicker Sensor

  • McHale V6 balers are fitted with a bale discharge sensor, which notifies the driver when the bale has left the bale chamber and has passed over the bale kicker. The heavy-duty bale kicker ensures a clean separation between the machine and the netted high-density bale.
 

Videos

V6740 Variable Chamber Round Baler Videos

 
Technical Data

Width 2.55/2.58m* (8′ 4″ / 8′ 6″)
Length 4.8m (15′ 9″)
Weight 3700kg (8,157 lbs)
Height 2.75m (9′)
*Width will depend on tyre selection

Working width 2100mm (6′ 11″)
Tine Bars 5
Tine Spacing 70mm
Short Crop Guard Standard
Crop Roller Optional
 Pick Up Guide Wheels (pneumatic) Standard

Number of Knives 0
Unblocking System Drop Floor
Knife Protection  N/A
Theoretical Chop Length N/A

Diameter 0.6m (2′) to 1.68m (5′ 6″)
Width 1.23m (4′)
Bale Chamber Feed High Intake Feed Rotor
Number of Belts 3

Control Manual or Automatic
Net System High Performance Netter
Net Roll Capacity 1+2 Storage
Net Adjustment In Cab

Gearbox Split Drive
Main Drive Protection Cam Clutch
Pick Up Protection Slip Clutch
Chain Lubrication Continuous
Bale Chamber Primary Drive

Control System Expert Plus
Operation Semi Automatic
Density Adjustment In Cab
Bale Size Adjustment In Cab
Inbuilt Camera  N/A

Axle 8 Stud
Tyres Standard 460/65/20
Tyres Optional 500/50/22.5 or 560/45/22.5
Bale Kicker Standard
Road Lights Standard
Electronics 12 Volt DC, 20 amp

Minimum Hydraulic Flow 30 Litres / min at 180 bar
Hydraulic System Open, Closed or Load Sensing
Minimum PTO Requirements 55 kW (73hp)

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