TM51 Series Tandem Disk Harrows
- John Deere
- Disks and Vertical Tillage
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Key Features & Specs
- Dual wheels provide consistent disking depth
- Hydraulic wing control
- Two-blade taper creates level soil surface
- Transport locks provide secure transport
- Hitch Cast link
- Working Width 18 ft. (5.5 m) folding
- Drawbar HP 160 – 180 hp (119.3 – 134.2 kW)
Available blade sizes
| Blade option one | 660x7.9 mm 26x0.312 in. |
| Blade option two | 711x7.9 mm 28x0.312 in. |
Disk blades
| Spacing | 26.7 cm 10.5 in. |
| Quantity | 58 |
| Blade concavity | Standard: high Optional: low |
| Type | Notched (front) Notched (rear) Standard Smooth (front) Smooth (rear) Optional Notched (front) Smooth (rear) Optional |
Disk gangs
| Scrapers | Adjustable |
| Rear angle | 3 Positions |
| Axle size | 4.1 cm 1.625 in. or 5.4 cm 2.125 in. |
| Bearing standards | Welded, reinforced |
| Axle material | Round heat treated alloy steel, threaded on both ends |
| Front angle | 3 Positions |
| Bearing wear plates | Standard |
| Bearing type | Oil bath tapered roller |
Frame
| Duty | General Purpose |
| Type | Tandem double offset |
| Tube size | 15.2x10.2x0.95 cm 6x4x0.375 in. |
Hitch
| Front hitch type | Spade |
Lighting and safety
| Safety tow chain | Yes |
| Markings | SMV |
| Lights | Yes |
Set-up time
| Labor hours | 4 - 6 for two people |
Tires
| Type | Eight implement |
| Size | 11L x 15 in. 8 ply |
| Wheel hub type | 8 Bolt |
Tractor requirements
| Recommended drawbar hp range | 164.1+ kW 220+ hp |
Transport
| Ground clearance with base blades | 20.3 cm 8 in. |
| Height | 4 m 13.2 ft |
| Wheel hub bearings | Dual Tapered Roller Bearings |
| Length | 8.5 m 28 ft |
| Width | 4.2 m 13.67 ft, in. |
Warranty
| Time period | 1 year |
Weight
| Weight per disk blade | 145.1 kg 320 lb |
| Net | 7842.6 kg 17290 lb |
Working
| Maximum penetration | 22.9 cm 9 in. |
| Approximate working width | 7.2 m 23.5 ft, in. |

