Brand new Wolverine 72" Quick Attach Tiller is an excellent choice for all your tilling needs. 
Can be used for tilling gardens or if your needing to mix materials into the soil, this tiller with 7" long tines is the right piece for the job. 
 
Specifications:
Model: TL-12-72W
Width: 86 in
Tilling Width (Maximum): 72 in'
Length: 26 in
Height: 24 in
Tilling Depth: 7 in
Number of tines: 36