225Offset Disk
• Hitch can be set to meet disking needs
• Choice of disk blades provided
• Gang wrenches come as base equipment
• One-piece welded mainframe
Overview
225 Offset Disks
Welded mainframes and triple-sealed ball-type bang bolt bearings make the 225 Disks a reliable partner in the field. The adjustable hitch lets you set the disk to work directly behind the tractor or offset to either side.
Features
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Choice of disk blades enables operators to match the disk to the job
The 225 Disk is available in 229-mm (9-in.) blade spacing, and the 425 Disk is available with 229-mm (9-in.) or 279-mm (11-in.) blade spacing.
Blade spacing recommendations for best performance are as follows:
| 229-mm (9-in.) spacing |
279-mm (11-in.) spacing |
| Seedbed preparation | All primary tillage |
| Chemical incorporation | Heavy residue conditions |
| Light primary tillage | |
| Average residue levels |
Cone-type or spherical blades are available in a variety of sizes with a solid or cutout design.
- 559-mm (22-in.) or 610-mm (24-in.) diameter solid or cutout design on 225 Disk
- 610-mm (24-in.) or 661-mm (26-in.) diameter solid or cutout design on 425 Disk
Right rear gang is tapered and includes two smaller disks to feather the soil.
| Blade size (diameter) | Blade taper size (diameter) |
| 559 mm (22 in.) | One 508 mm (20 in.) and one 457 mm (18 in.) |
| 610 mm (24 in.) | One 559 mm (22 in.) and one 508 mm (20 in.) |
| 661 mm (26 in.) | One 610 mm (24 in.) and one 559 mm (22 in.) |
A 356-mm (14-in.) diameter furrow filler (arrow) is available to further smooth and level the soil.
A scraper is included with the furrow filler.
Hitch can be set to meet disking needs
The hitch can be set to work directly behind the tractor or offset to the right or left, which is ideal for orchards or vineyards.
Moving the tongue on the hitch bar (1) provides a course adjustment.
Changing the angle of the hitch tongue, through a series of holes (2), fine-tunes adjustments.
The clevis (3) can be assembled so a disk harrow can be used with tractors having either a straight or open-type drawbar.
A safety chain and hose support are included in base equipment.
One-piece welded mainframe provides reliable strength
The mainframe on 225 and 425 Offset Disks is made of one-piece, heavy, structural steel tubing to resist torsional forces on the frame:
- 102 mm x 102 mm x 5 mm (4 in. x 4 in. x 3/16 in.) on the 225 Offset Disk
- 76 mm x 127 mm x 10 mm (3 in. x 5 in. x 3/8 in.) on the 425 Offset Disk
Specifications
| Specifications | ||||
|---|---|---|---|---|
| John Deere 225 Offset Disk |
Fold
| Type | Rigid |
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Working Widths
| Spacing option A | Disc spacing - 22.86 cm 9 in. |
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|---|---|---|---|---|
| Option 1 | 18 discs 2.11 m 6.92 ft, in. |
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| Option 2 | 20 discs 2.31 m 7.58 ft, in. |
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| Option 3 | 22 discs 2.54 m 8.33 ft, in. |
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| Option 4 | 24 discs 2.77 m 9.08 ft, in. |
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| Option 5 | 26 discs 3.0 m 9.83 ft, in. |
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| Option 6 | 28 discs 3.20 m 10.50 ft, in. |
Transport Width
| Spacing option A | 229 mm 9 in. |
|---|
Operating Speed
| mph | 6.4 to 9.7 km/h 4 to 6 mph |
|---|
Power Requirements
| Horsepower required | Power take-off - 29.8 to 74.6 kW 40 to 100 hp Engine - 35.8 to 89.5 kW 48 to 120 hp Light drawn - 18 discs 29.8, 20 discs 33.5, 22 discs 37.3, 24 discs 41.0, 26 discs 44.7, and 28 discs 48.5 kW 18 discs 40, 20 discs 45, 22 discs 50, 24 discs 55, 26 discs 60, and 28 discs 65 hp Medium drawn - 18 discs 41.0, 20 discs 44.7, 22 discs 47.5, 24 discs 52.2, 26 discs 55.9, and 28 discs 59.7 18 discs 55, 20 discs 60, 22 discs 65, 24 discs 70, 26 discs 75, and 28 discs 80 Heavy drawn - 18 discs 52.2, 20 discs 55.9, 22 discs 59.7, 24 discs 63.4, 26 discs 67.1, and 28 discs 74.6 18 discs 70, 20 discs 75, 22 discs 80, 24 discs 85, 26 discs 90, and 28 discs 100 |
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Leveling Options
| Option 1 | Parallel-lift bar and 3-leaf spring for front-to-rear leveling and increased relative pressure on front or rear gangs |
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Depth Control
| Option 1 | Mechanical depth stops |
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Hydraulic Requirements
| Standard | 1 selective control valve (SCV) required |
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Electrical Requirements
| Standard | 9-pin connector for warning |
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Hitch
| Type | Combination hitch with right or left offset options |
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Frame
| Tubing | Structural steel - 4x4x3/406 mm 16 in. |
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Gang
| Angle | Adjustable | |||
|---|---|---|---|---|
| Front | 25 to 48 degree (angle) | |||
| Rear | 25 to 48 degree (angle) | |||
| Tubing | ||||
| Front | Structural steel - 3x5x3/406 mm 16 in. |
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| Rear | Structural steel - 3x5x3/406 mm 16 in. |
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| Gang bolt | Round - 38 mm 1.5 in. |
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| Gang standard | Rigid nodular iron | |||
| Bearings | Triple-sealed ball bearings with wear guards (no lubrication needed unless grease fittings are installed) | |||
| Scraper | Rigid |
Finishing Blades
| Option 1 | Spherical blade with scraper - 356 mm 14 in. |
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|---|---|---|---|---|
| Middle breaker | Offset |
Blades
| Spacing | 229 mm 9 in. |
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|---|---|---|---|---|
| Size | ||||
| Option 1 | Solid cone - 559 x 4 mm 22 x 0.157 in. |
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| Option 2 | Solid cone or cutout cone, or a combination of a front cutout cone and a rear solid cone - 610 x 4.5 mm 24 x 0.177 in. |
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| Option 3 | Solid spherical or cutout cone - 610 x 4.7 mm 24 x 0.187 in. |
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| Option 4 | Solid cone or cutout cone - 610 x 6.5 mm 24 x 0.256 in. |
Wheels
| Mainframe wheels and tires\ | ||||
|---|---|---|---|---|
| Option 1 | 4PR rib implement base wheel and tire option - Two 15-5KB wheels with 6.70-15 in. 4PR rib implement tubeless tires (in base price) |
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| Option 2 | Wheels less tires options - Two 15-6 wheels less tires Two 16-6 wheels less tires |
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| Option 3 | 6PR rib implement tubeless wheel and tire options - Two 14-6KB wheels with 9.50-14 in. 6PR implement tubeless tires Two 15-6KB wheels with 7.60-15 in. 6PR implement tubeless tires |
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| Option 4 | 6PR rib implement tubeless wheel and tire option - Two wheels with 7.6-15 in. 8PR tires\ |
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| Wingframe wheels and tires | ||||
| Option 1 | At 152-cm (60-in.) wheel tread spacing, working width - 2.11 to 3.0 m 6.92 to 9.83 ft |
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| Option 2 | At 203-cm (80-in.) wheel tread spacing, working width - 3.20 to 3.66 m 10.5 to 12.0 ft |
Maintenance and Support
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