Replaceable edge bit assembly
Replaceable edge for trenching plow blade
Replaceable insert for agricultural disc
Replaceable ripper shoe
Replacement tips for spring harrows
Resilient harrow tine
Resilient scraping blade attachment
Retractable ground working device
Reversible plow
Reversible protector for a work member
Reversible road scraper
Reversible tool mounting bracket for agricultural implements
Rip strip primary tillage system
Ripper attachment for skid steer loaders
Ripper implement
Ripper tip assembly
Ripper tip with inter-fitting shin guard retaining means
Ripping device for an earthmoving machine
Roller equipped earthworking member
Rotary tiller attachment to facilitate towing