2025 Case IH RD135 

An industry-leading cut and crimp for superior hay quality and optimal windrow formation with a 13 ft. cutterbar width.

Features May Include: 

• Disc Modules

Individually sealed bearings, gears and lubricant – damage or contamination to one disc doesn't spread to another
Complete gear lubrication, even when cutting on slopes or at an angle
Austempered discs for extra hardness and durability in punishing conditions
Protective liner in the hood helps reduce rock damage
Heavy-duty gears and cross shafts
Individual modules protected from impact damage by a shock hub
RD5 headers include a 3-year cutterbar warranty

• Knives

Standard quick-change knives make changing or reversing knives fast and convenient
One-bolt knives are reversible for twice the cutting life
Knife speed of 187 mph (301 kph)
Cutterbar angle adjusts hydraulically from 2–10 degrees below horizontal using the in-cab switch
Knife angles available from 7 to 18 degrees to meet varying crop conditions

• Shock Protection System

Protects key disc module drive components when a disc encounters a field obstacle
Easier in-field repairs
Dramatically reduces downtime
Lower replacement-part cost
Standard on all rotary disc header models