Bharat Industries

A tractor-operated chaff cutter is a mechanized farm implement designed to process fodder—such as straw, hay, maize stalks, and green or dry grasses—into fine, uniform pieces that are easier for livestock to digest. It attaches to a tractor’s Power Take-Off (PTO) shaft to power the cutting mechanism efficiently.

Main Components & Mechanism

1. Power Input via Tractor PTO
   The implement draws rotational energy from the tractor’s PTO shaft, which drives the cutting flywheel or rollers.

2. Feeding System
   Most models include multiple feed rollers—usually 3 or 4—with a conveyor belt system to automatically draw fodder into the cutting mechanism.

3. Cutting Mechanism
   A heavy flywheel fitted with several sharp blades (commonly 2 to 4, adjustable) acts as the cutter. As the flywheel spins, these blades shear the fodder uniformly.

4. Gearbox and Reversibility
   Many units include forward and reverse gearing—often via a gearbox or bevel pinion gear—allowing blockage removal and operational safety.

5. Discharge and Accessories
   Chaff is expelled via a blower or upward chute—some models include blowers or straw walkers for grain separation and improved cleanliness.

6. Mobility & Frame
   These units often include robust frames with pneumatic wheels or towable chassis for easy transport across the field.

Performance and Specs

• Fodder Cutting Capacity: Typically ranges between 3,500 to over 6,000 kg/hour depending on model and crop type.

• Tractor Power Requirement: Most units require tractors in the 35–50 HP range, with some heavy-duty versions needing up to 100 HP+/larger capacities.

• PTO Speed: Standard PTO speed is around 550 RPM.

• Structure & Weight: These machines often weigh between 850 to 1,400 kg and are built with heavy-duty frames.

Advantages of Tractor-Operated Chaff Cutters

• High Efficiency
  Capable of processing large volumes of fodder quickly and uniformly—often 25% more efficient than manual or motor-operated variants.

• Labor & Time Saving
  Automating the cutting process significantly reduces manual efforts and expedites fodder preparation.

• Better Animal Digestion & Productivity
  Uniformly cut fodder aids digestion and improves feed intake, often translating into higher milk yield or animal performance.

• Durability & Safety
  Made with cast iron, carbon steel, or mild steel; many machines include safety guards around rotating parts and robust gearboxes.

• Versatility across Crops
  Can process a range of materials—paddy straw, maize, millet, sorghum, grass—whether dry or green.