Economies of Size for Conventional Tillage and No-till Wheat Production



Table 3. Size and List Prices for Tractors and Machines.

Type of Machinery

Machinery Width

_______(Feet)__________

List Price
($)

95 hp Tractor

58,167

155 hp Tractor

81,707

170 hp Tractor

101,198

255 hp Tractor

156,404

325 hp Tractor

176,151

Chisel

8.55

5,555

Chisel

18.6

9,673

Chisel

20.4

16,469

Chisel

30.6

21,982

Chisel

39

23,982

Disk

10.48

7,543

Disk

17.1

20,231

Disk

18.75

22,049

Disk

28.13

29,022

Disk

35.85

35,597

Moldboard Plow

4.75

13,921

Moldboard Plow

7.75

15,812

Moldboard Plow

8.5

18,337

Moldboard Plow

12.75

24,516

Moldboard Plow

16.25

33,820

Fertilizer Spreader

40

11,200

Sprayer

40

5,564

Sprayer

60

7,372

Conventional-Till Drill

10

9,239

Conventional-Till Drill

20

23,957

Conventional-Till Air Seeder

36

105,000

No-Till Drill

10

27,053

No-Till Drill

20

51,992

No-Till Air Seeder__________

________36_________

137,500

14



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