Steiner 440 Tractor with Core Aerator

Steiner 440 Tractor with Core Aerator attachment.
Seven aerating steel wheels with bushings/pressurized lubrication fitting
* Overall width: 45 1/2″
* Working Width: 40 1/4″
* Overall height: 28 1/2″
* Overall length: 30″
* Main shaft bearings:Greasable 1 1/4″
* Tines 6 per wheel, 3/4″ core tines
* Aerating width actual: 39″
* Aerating width effective: 45 1/2″
* Aerating depth: Up to 3 1/2″
* Aerating pattern: 6 1/2″ x 7″ (3.6 holes sq./ft.)
* Weight: 390 lbs. with 4 weights