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Grizzly DEEP DIGGER Manual

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Grizzly Deep Digger RT007-RT011
PART NO. XCDMGJT1
ISSUE# 4 FROM SERIAL NO. 7027
DEEP
DIGGER
RT007-RT011
XCDMGJT1
1
December 2019
Specifications are subject to change without prior notification

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Summary of Contents for Grizzly DEEP DIGGER

  • Page 1 Grizzly Deep Digger RT007-RT011 PART NO. XCDMGJT1 ISSUE# 4 FROM SERIAL NO. 7027 DEEP DIGGER RT007-RT011 XCDMGJT1 December 2019 Specifications are subject to change without prior notification...

  • Page 2: Table Of Contents

    Contents page 1. Foreword 2. Welcome to Grizzly 3. The Right Machine 4. Pre-Delivery Checklist 5. Warranty Registration 6. Safe use Instructions 7. Warranty Policy 8. Specifications 9. Assembly Instructions 10. Operating Instructions 11. Storage 12. Lubrication and Maintenance 13. Spare Parts 14.

  • Page 3: Foreword

    Materials in this manual may not be Congratulations on your purchase of a reproduced in any form without permission Grizzly Deep Digger, proudly designed and in part or in whole, this manual may not be manufactured in Australia to the highest level copied reproduced, translated, or reduced to of quality and performance.

  • Page 4: Welcome To Grizzly

    Like many other Australian icons of ingenuity, The company has a very successful and Some components explained in this manual the Grizzly plough was founded on need. loyal dealer network throughout Australia. may not be installed on your machine. The Grizzly name was established in the...
  • Page 5 2 Welcome to Grizzly Product Identification Considerable practical research and continued improvements have been The Deep Digger’s Serial Number Plate developed into all Grizzly products for the is located at the front of the main frame. If best possible performance and durability.

  • Page 6: The Right Machine

    3 The Right Machine The Grizzly Deep Digger is a heavy duty, fuel The Grizzly Deep Digger is available in either efficient, deep ripping machine for breaking linkage models ranging in size from one to up sub-soil hard pans. It is also used for deep...
  • Page 7 December 2019 Specifications are subject to change without prior notification...

  • Page 8: Pre-Delivery Checklist

    4 Pre-Delivery Checklist Comments Specifications and Options Check pull tongue, points, lights, oversize sign, taillights, tyres, rollers ensure the machine has the correct options fitted as per order Grease Machine All grease points must be greased before operation. See section 12 for details of how to grease machine ensure all grease points function properly. Level Machine Check the machine is level (see section 9) Tyre Pressure...

  • Page 9: Warranty Registration

    warranty registration December 2019 Specifications are subject to change without prior notification...
  • Page 10 back of warranty rego Specifications are subject to change without prior notification From serial number 7027...

  • Page 11: Safe Use Instructions

    6 Safe Use Instructions Safety & Damage Warnings The terms WARNING, CAUTION and DANGER! IMPORTANT are used throughout this manual and on the machine to stress the importance of personal safety, potential machinery This is issued where there is a damage and useful operating information.
  • Page 12 It is a part of the Grizzly machine and must • New operators must start in an area always be stored on the machine, in the without bystanders and use all the controls document holder provided.
  • Page 13 6 Safe Use Instructions WARNING! Read these safety instructions before allowing any person to operate the machine. Use due care when adjusting or Never allow anyone to ride on the Take care when hitching to tractor, implement in work or transport! maintaining any aspect of the machine.

  • Page 14: Warranty Policy

    Dealer must provide Grizzly written notice and photos if required, within 14 days of receiving notice of the defect by the customer. Grizzly (at its option) may request failed parts to be returned to the factory. Any travel time of a service technician and/or transportation of the Grizzly product to the Authorised Servicing Dealer for warranty work is the responsibility of the Owner.
  • Page 15 Warranty does not cover transportation or insurance costs for ploughs or other equipment needing repair or replacement of war & Insurance Costs ranted components. Nor does it cover any freight or insurance costs in obtaining new parts or returning old parts to Grizzly for inspection purposes.

  • Page 16: Specifications

    8 Specifications Grizzly Recommended Retail Price List Effective from 1 July 2019 DEEP DIGGER – Sub Soil Ripper MODEL RL001 RL003 RL005 RL007 RT007 RT009 RT011 RT015 $5,450 $11,450 20,100 $26,450 $52,800 $61,100 $69,200 $140,700 RRP EX GST $5,995 $12,595 $22,110...
  • Page 17 8 Specifications Bolt Torque Chart Integrated Management System WI 09J TORQUE CHART Work Instruction Size Nm ft/lb Size Nm ft/lb Size Nm ft/lb Size Nm ft/lb 1/2" 10.9 18.5 16.4 26.9 23.8 37.0 32.7 52.9 46.8 64.7 57.2 91.6 Size Nm ft/lb PC 10.9 ¾"...

  • Page 18: Assembly Instructions

    1. The Deep Digger has 4 sling points as indicated, check the specifications in Flat Packed 4. Assemble the hitch pull onto the main...
  • Page 19 9. Align the rear shear pin catch of the tine with the holes in the frame assembly. Fit When all hoses and tubes are fitted to all the 10. Connect the Deep Digger to the tractor the shear pin and lock the pin into position circuits: drawbar and connect all hydraulic hoses.
  • Page 20 9:3 Pull Height 9:4 Pull Tongue Height IMPORTANT! The Deep Digger pull features hydraulic pitch It may be necessary to move the tongue up control for precision operation. However the or down to achieve a level pull. To set the...

  • Page 21: Operating Instructions

    10:2 Connecting the tractor Before using the machine ensure anyone operating the machine is familiar with the 10:3 Preparing the Deep Digger contents of this manual, the pre-delivery for Transport check has been done and all operators have been trained in the safe use of this machine.
  • Page 22 The machine will need a oversize sign fitted, 3. Lock the tractor drawbar. Do not transport and flags. Consult local road authorities for the Deep Digger with a swinging drawbar. specific advice. It is suggested to remove the shear pins when towing on roads.
  • Page 23 10:4:2 Hard Pan Removal 4. Check hydraulic system for leaks - SEE It is important that the Deep Digger is always WARNING. Folding Deep Diggers are Strictly speaking, establishing the exact raised from the ground when turning to avoid fitted with rephasing cylinders. It is...
  • Page 24 WARNING! conditons become too wet for good ripping results. The Deep Digger is designed to lift and break Failure to lift the Deep Digger while turning will cause uneven ridging and or shatter hard layers of sub-soil and for deep cause unnecessary pressures on the ripping.

  • Page 25: Storage

    11 Storage Wash the machine Grease and check Order parts To properly check the machine it must be Greasing the machine after washing will purge This is a good time to forward order any clean. After washing, lower the machine on to any water from pins etc.

  • Page 26: Lubrication And Maintenance

    12 Lubrication and Maintenance 12.1 Greasing 12.2 Before Use 12.3 Replacing Points & Shear Pins 12.4 Tyres 12.5 Wheel bearings figure 2 Wheel Hubs 4 points weekly figure 5 Wheel Lift Cylinders 2 points each weekly 12.6 Replacing Tines 12.7 Hydraulics 12.1 Greasing There are several grease points on the Deep Digger, these should be greased at the start...
  • Page 27 - continual checking at done (See Section 4). least every 4 hours is recommended. Your Grizzly Deep Digger has a running in How to Replace Points period, just as any tractor or car! When points become worn or damaged it is...
  • Page 28 Phasing Cylinders 2. Remove the 4 cap screws from the cap caught when lifting. When storing the Deep Digger overnight or and remove the cap from the hub. 4. To replace tine reverse the above steps. Be for longer periods, make sure the phasing 3.

  • Page 29: Spare Parts

    DEPTH GAUGE CABSE131A DEPTH GAUGE CDEUU000 BEARING HOUSING - 3 BOLT CGBEE003A TOOL BOX LID 3mm DYSPB500 WEAR BOOT HARD FACED - DEEP DIGGER FABEA020 BOLT M8 X 20 FABEA045 BOLT M8 X 45 FABEA080 BOLT M 8 X80 FABGA075 BOLT M12 X 75 PC 8.8...
  • Page 30 CABSE131A DEPTH GAUGE CDEUU001 BEARING HOUSING - 3 BOLT CGBEE003A TOOL BOX LID 3mm DYSPB500 WEAR BOOT HARD FACED - DEEP DIGGER FABEA025 BOLT M 8 X 25 FABEA045 BOLT M8 X 45 FABGA075 BOLT M12 X 75 PC 8.8 FABHA040 BOLT M16 X 40 PC 8.8...
  • Page 31 FRAME BIS 80 GNBEN005 DEPTH GAUGE POINTER HRDAA290B TRANSPORT BLOCK 290 x 55 MFAAA100 ROCKER AXLE SPACER PAAGA300 GRIZZLY BLUE SPRAY CAN 300gram A ( 1:10 ) PDAER001 DECAL KIT RIPPER TRAILING TDASC000 SOCKET 30mm.3/4" DRIVE TDGAA200 3/4" DRIVE 200mm EXTENSION TDGAC000 L HANDLE 3/4"...
  • Page 32 HYDRAULIC KIT (ROLLER)7 TYNE GNBRN000 TRAILING ITEM PART NO. DESCRIPTION FABEA080 BOLT M 8 X80 HFALL50-B RETRACT LINE RELIEF VALVE KIT HGCZD000A HYD HOSE 3/8" E26 (3000) HGCZD300A HYD HOSE 3/8" E26 (3300) HGCZE100 HYD HOSE 3/8" E26 (4100) HGCZE200B HYD HOSE 3/8"...
  • Page 33 GNBRN002 HYDRAULIC KIT (ROLLER) 9 TYNE ITEM PART NO. DESCRIPTION FABEA080 BOLT M 8 X80 HFALL50-B RETRACT LINE RELIEF VALVE KIT HGCZC800Q HYD HOSE 3/8" E26 (2800) QR HGCZF300A HYD HOSE 3/8" E26 (5300) 3/4JIC FEMALE 3/4JIC FEMALE HGCZF800A HYD HOSE 3/8" E26 (5800) HGCZF900A HYD HOSE 3/8"...
  • Page 34 GNBRN003 HYDRAULIC KIT (ROLLER) 11 TYNE PART NO DESCRIPTION G ( 1 :15 ) FABEA080 BOLT M 8 X80 F ( 1 : 15 ) GCN011H 11 TYNE RIPPER FRAME HFALL50-R RETRACT LINE RELIEF VALVE KIT HGCZC800F HYDRAULIC HOSE 3/8" (2800) HGCZC800G HYDRAULIC HOSE 3/8"...
  • Page 35 HYDRAULIC KIT (ROLLER) 11 CTF GNBRN004 A ( 1 : 35 ) POS QTY PART NO DESCRIPTION POS QTY PART NO DESCRIPTION POS QTY PART NO DESCRIPTION CGBDA004 3mm GAUGE BRACKET HGCZB300A HYD HOSE 3/8" E26 (1300) HHACAS07 TEST POINT ADAPTOR 3/4 JIC - FABDA016 SET SCREW 6 X 15 HGCZB400C HYD HOSE 3/8"...
  • Page 36 ROLLER - 7 TYNE DEEP DIGGER (3759 GDNRJ007 OVERALL) ITEM PART NO. DESCRIPTION BDGAA001 GE50 RADIAL SPHERICAL PLAIN BZGCA002 HOUSING 2 BOLT SB TYPE BZJEA056 BEARING 1-1/2" Eccentric Locking Collar - Wide Series CABSE132 DEPTH GAUGE CDEUU000 BEARING HOUSING - 3...
  • Page 37 30mm FLAT WASHER HD ZINC 33X55X4 FMCGE000 M12 WASHER 1/2" type 1HARD ZYP GNBEN005 DEPTH GAUGE POINTER GNBRM003 ROLLER BRKT. 7 TYNE DEEP DIGGER GNBRM004 ROLLER DRUM 7 TYNE DEEP DIGGER GNBRN001 HYDRAULIC KIT (ROLLER)7 TYNE LINKAGE MACPB210 ROLLER GAUGE - DEEP DIGGER...
  • Page 38 ROLLER - 7 TYNE DEEP DIGGER UNDER GDNRJ007H35 3.5M TRANSPORT PART NO DESCRIPTION PART NO DESCRIPTION BDGAA001 GE50 RADIAL SPHERICAL PLAIN FFBJA000 NYLOC NUT M20 P TYPE 2.5 BZGCA002 HOUSING 2 BOLT SB TYPE FKDWA003 INTERNAL CIRCLIP 75 BZJEA056 BEARING 1-1/2" Eccentric Locking Collar - FMAUKP02 FLAT WASHER 30mm / 1 1/4"...
  • Page 39 BOLT M20 X 80 pc 8.8 COARSE GNBRM008 ROLLER / 9 TYNE DEEP DIGGA FFBEA000 NYLOC NUT M8 P TYPE GNBRM009 ROLLER BRACKET 9 TYNE DEEP DIGGER FFBGA000 NYLOC NUT M12 P TYPE GNBRN002 HYDRAULIC KIT (ROLLER) 9 TYNE L:\Inventor\Parts\GD-\GDNRJ009H.idw...
  • Page 40 BOLT M12 X 75 PC 8.8 GNBEN005 DEPTH GAUGE POINTER FABHA070 BOLT M16 X 70 PC 8.8 GNBRM008N ROLLER DRUM 9 TYNE DEEP DIGGER NARROW (4.5M) FABJA080 BOLT M20 X 80 pc 8.8 COARSE GNBRM009N ROLLER BRACKET 9 TYNE DEEP DIGGER FFBEA000...
  • Page 41 BOLT M12 X 65 PC 8.8 BMCAA000 GREASE NIPPLE 1/8 BSP GNBRM016 ROLLER / 11 TYNE DEEP DIGGA GNBRM015 ROLLER BRACKET 11 TYNE DEEP DIGGER BZJEA07C HOUSING 214 PILLOW BLOCK BZGCA070 BEARING EW214 (EW214DH) 70mm FABHA160 BOLT M 16 X 160 pc 8.8 zinc L:\Inventor\Parts\GD-\GDNRJ011H.idw...
  • Page 42 M16 WASHER 5/8" F436 HARD ZYP GNBEN005 DEPTH GAUGE POINTER GNBRM016-A WIDE ROLLER-11 TYNE DEEP DIGGER 6.5M GNBRM11545 ROLLER BRACKET 11 TYNE DEEP DIGGER- 6.5 GNBRN004 HYDRAULIC KIT (ROLLER) 11 CTF PD000GR10 GREASE EXERY 10 HRS DECAL PD000GR40 GREASE EXERY 40 HRS DECAL L:\Inventor\Parts\GD-\GDNRJ11545.idw...
  • Page 43 M12 WASHER 1/2" type 1HARD ZYP FMCHE000 M16 WASHER 5/8" F436 HARD ZYP GNBEN005 DEPTH GAUGE POINTER GNBRM015-A ROLLER BRACKET 11 TYNE DEEP DIGGER- 6.5 GNBRM016-A WIDE ROLLER-11 TYNE DEEP DIGGER 6.5M GNBRN003 HYDRAULIC KIT (ROLLER) 11 TYNE MACPB210 ROLLER GUAGE...
  • Page 44 GDZG0018A PART NO DESCRIPTION FABJA065 BOLT M20 X 65 pc 8.8 COARSE FEABB000 BLIND RIVET AS6-8 GDZG0018 OVERSIZE SIGN BRACKET (DEEP DIGGER) GYRFKJ2-4 CAP 40 X 40 GYRGKP3-5 CAP 50 X 50 PDAA0001 OVERSIZE SIGN L:\Inventor\Parts\GD-\GDZG0018A.idw Specifications are subject to change without prior notification...
  • Page 45 HYDRAULIC KIT- DEEP DIGGER -7 GHPC0007 TRAILING ITEM PART NO. DESCRIPTION HFALL50-B RETRACT LINE RELIEF VALVE KIT HGCZC800B HOSE 3/8 DB (2800) QR 1/2" BSP FEMALE 3/4UNO MALE HGCZD200Q HYD HOSE 3/8" E26 (3200) QR HGCZD300Q HYD HOSE 3/8" E26 (3300) QR HGCZE100A HYD HOSE 3/8"...
  • Page 46 HYDRAULIC KIT- DEEP DIGGER -9 GHPC0009 TRAILING ITEM PART NO. DESCRIPTION HFALL50-B RETRACT LINE RELIEF VALVE KIT HGCZC800Q HOSE 3/8 DB (2800) QR 1/2" BSP FEMALE 3/4UNO MALE HGCZD200Q HYD HOSE 3/8" E26 (3200) QR HGCZD300Q HYD HOSE 3/8" E26 (3300) QR HGCZE700A HYD HOSE 3/8"...
  • Page 47 RETRACT LINE RELIEF VALVE KIT HFALL50-B TO THE BASE END OF THE MASTER CYLINDER SET TO 1000 PSI MAX. TO THE ROD END OF THE SMALLEST CYLINDER TO THE GAUGE TO THE TRACTOR ITEM PART NO. DESCRIPTION HHAABA07 TEE 3/4JICF 3/4JICM 3/4JICM HHACAA01 1/2"...
  • Page 48 HYD. CYL. 4.75 X 12 DS 1.5" SHAFT HZP475-12D ITEM PART NO. DESCRIPTION BMAAA006 STRAIGHT GREASE NIPPLE 6mm FABDA016 SET SCREW 6 X 15 FGHPA072 PIN 1 1/4" ANTI ROT. GREASABLE FKBDA000 RAM PIN CLIP HKNB0SLP PTE S/KIT SLP 4.75" X 1.5" ROD HKAS 513-8835410 ROD SEAL "513"1.5"X1.875"X.375 HKAS/520-8881210...
  • Page 49 HYD CYL 5" X 12" D/S 1.5" ROD HZP500-12D ITEM PART NO. DESCRIPTION BMAAA006 STRAIGHT GREASE NIPPLE 6mm FABDA016 SET SCREW 6 X 15 FGHPA072 PIN 1 1/4" ANTI ROT. GREASABLE FKBDA000 RAM PIN CLIP HKPB0SLP PTE S/KIT SLP 5.0" X 1.5" ROD HKBS 53-6594310 PISTON SEAL 5.0"...
  • Page 50 HYDRAULIC KIT-11 TYNE LEVEL LIFT GHPC0011L PART NO DESCRIPTION FABEA045 BOLT M8 X 45 HFALL50-B RETRACT LINE RELIEF VALVE KIT HGCZB100A HOSE 3/8 DB (1100) 3/4JIC FEMALE 3/4 JIC FEMALE A ( 1:10 ) HGCZC800Q HOSE 3/8 DB (2800) QR 1/2" BSP FEMALE 3/4UNO MALE HGCZF000A HOSE 3/8 DB (5000) 3/4JIC FEMALE 3/4"JIC FEMALE HGCZF500A...
  • Page 51 HYD. CYL. 4.5 X 12 DS 2" SHAFT HZP450-12D2 ITEM PART NO. DESCRIPTION BMAAA006 STRAIGHT GREASE NIPPLE 6mm FABDA016 SET SCREW 6 X 15 FGHPA072 PIN 1 1/4" ANTI ROT. GREASABLE FKBDA000 RAM PIN CLIP HKMB0001 PTE S/KIT SHP 4.5" X 2.0" ROD HKAS 520-8881510 ROD WIPER "520"...
  • Page 52 HYD. CYLINDER 5 X 12 DS 55 ROD HZP500-12D55 ITEM PART NO. DESCRIPTION BMAAA006 STRAIGHT GREASE NIPPLE 6mm FABDA016 SET SCREW 6 X 15 FGHPA072 PIN 1 1/4" ANTI ROT. GREASABLE FKBDA000 RAM PIN CLIP HKPB0002 PTE S/KIT SHP 5.0" X 55mm ROD HKAS 605-4306100 ROD SEAL "605"...
  • Page 53 HYD. CYLINDER 5.5 X 12 DS 2.25" ROD HZP550-12D ITEM PART NO. DESCRIPTION BMAAA006 STRAIGHT GREASE NIPPLE 6mm FABDA016 SET SCREW 6 X 15 FGHPA072 PIN 1 1/4" ANTI ROT. GREASABLE FKBDA000 RAM PIN CLIP HKRB0000 PTE S/KIT SHP STD 5.5" X 2.25" HKBS 53-65944101 PISTON SEAL 5.5"...
  • Page 54 RIPPER TYNE ASSY / WEARBOOT 700 GNAFM503 BIS 80 PART NO DESCRIPTION DYSPB500 WEAR BOOT (HARD FACED) FABKA110 BOLT M24 X 110 FFBKA000 NYLOC NUT M24 P TYPE FGBKA094A PIN 1" RIPPER SHEAR PIN (15mm) FGBKA094B RIPPER SHEAR PIN 18mm shear 94 FGBKA094C PIN 1"...
  • Page 55 DESCRIPTION PD000004 Decal "DEEP DIGGER" PD000014 DECAL WARNING ROLLOVER PD000046 DECAL Warning do not exceed 30 Kph PD000079 DECAL GRIZZLY 100mm x 757mm PD000080 GRIZZLY DECAL 50mm PD000089 Decal "Quality assured company" PD000090 DEPTH STOP SIDE PLATE FITTING INSTRUCTIONS PD000108...
  • Page 56 ARTICULATED PULLS PART NO DESCRIPTION BMCAA000 GREASE NIPPLE 1/8 BSP CCDDA002 SPRING RETAINER  80 THRU GPEBF00C CONSTRUCTION TONGUE FABJA075 BOLT M20 X 75 pc 8.8 COARSE 75mm PIN (PAINTED GOLD) FABJA080 BOLT M20 X 80 pc 8.8 COARSE FFBJA000 NYLOC NUT M20 P TYPE 2.5 FHKDC091 EXTENSION SPRING 98 X 25 X 3.15...
  • Page 57 H70 HUB ASSEMBLY WMMDA450 To assemble and adjust the setting of this hub: NOTE: CLEAN THREAD BEFORE ASSEMBLING, IF YOU ARE ASSEMBLING A NEW AXLE USING 1- " UNF DIE NUT, CLEAN ALL OTHER COMPONENTS. Step 1: Clean and prime the seal #3 and seal ring #9 Fit seal to seal ring using Loctite 480, allow to dry before proceeding.

  • Page 58: Maintenance Record

    15 MAINTENANCE RECORD CHART DATE PART NUMBER NOTE Specifications are subject to change without prior notification From serial number 7027...

  • Page 59: Problem Solving

    Conditions too hard It my be necessary to wait until conditions are more suitable Damage to Deep Digger at tines at point Machine pitch angle incorrectly set, (nose down) over Ensure machine is level in working situation especially loading points.
  • Page 60 PHASING PROBLEMS Creeping Air in the hydraulic system A. Hose vibrating/squealing B. Control valve shuddering C. Lag in cylinder movement D. Creeping when load is applied By-passing of the piston A. Both cylinder move together until Master is on depth stop then Slave stops Check valve or Tractor valve leaking B.
  • Page 61 Bleeding 1. Ensure oil is clean and couplings are clean 2. If depth stops are fitted to the cylinders they should be adjusted so that the cylinder can be fully retracted before commencing the bleeding operation 3. Ensure oil level is topped up. Low oil levels and/or foaming oil is a common cause of unsuccessful bleeding 4.
  • Page 62 Master cylinder bypass Third cylinder bypass When all cylinders creep and the Master cylinder hits the depth When the Master cylinder lowers onto depth stop and the Second cylinder stop but the Slave continues to creep. also stops but cylinder 3 creep down while cylinder 4 creep outward slightly. Second cylinder bypass Fourth cylinder bypass When the Master cylinder lowers onto depth stop and the Second...
  • Page 63 Grizzly can make your work easier! BANKER / CHANNELLER The Banker/Channeller is designed specifically for water-tight bank and channel formation. Applications include irrigation channels, flood irrigation, embankments, tree plantation rows, elevated seed bed preparation, salt reduction programs, contour farming, erosion control, levee banks and ect.
  • Page 64 DEEP DIGGER The Deep Digger breaks up hardpan and compacted soils. By opening the subsoil, compacted ground can be rejuvenated, allowing better drainage, root growth and mineral osmosis. The Deep Digger is available in both linkage and trailing designs. Heavy Duty tines are set in a characteristic “V”...
  • Page 65 BEDFORMER The Grizzly Bed Former is designed to be able to form beds on varying bed widths in both irrigation and dryland farming situations when drainage in high rainfall areas is critical. The machine can be used in cultivated or uncultivated soil depending on conditions and performance of the machine.
  • Page 66 THE OFFSET The machine is available is sizes 28 up to The Offset is Grizzly’s only 2-gang disc 40 discs. LINKAGE-HEAVY plough. Available in a medium duty machine, the Offset range features...
  • Page 67 The Field Boss features heavy wear and reduced maintenance costs. The original Grizzly Heavy duty disc that construction for long lasting strength and excellent penetration in tight and heavy is still a favourite of many farmers and The machine is available in sizes 72 (8.7...
  • Page 68 Operating adjustments are effortless requiring no tools or By eliminating power-draining side draft, The Grizzly Field Master in the answer to personal strain. The Field Boss requires less horsepower, all those cultivation problems you have. making it less punishing on tractors and Quick, easy opening and closing very cost effective to operate.
  • Page 69 Field Boss and other All the TINY range folds down to an Heavy Duty Grizzly ploughs. The narrow amazing 3.5m road transport. spacings also make it ideal at cutting out handling the toughest country.

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