RT115 Tier 2 - OVERVIEW 11 OVERVIEW The RT115 Tier 2 tractor is designed for installation of service lines. It can be fitted with a trencher, vibratory plow, saw, backhoe or combo plow/trencher attachment. Optional enclosed cab, work lights, air conditioning, cruise control, rear and coordinated steering, drilling attachment, and reel carriers are also available. All rear-mounted attachments feature a new side plate frame mounting system. 1. Rollover Protective Structure 4. Engine compartment 2. Operator station 3. Control console p 5. Backfill blade