Hardened Pto Adaptor, 1-3/8" 21Spl X 1-1/2"

Hardened Pto Adaptor, 1-3/8"-21 Spline X 1-1/2" Round Bore

The 1132400H-21 Hardened PTO Adapter, 1-3/8"-21 Spline × 1-1/2" Round Bore is a heavy-duty power take-off adapter designed to connect a standard 1-3/8"-21 spline PTO shaft to equipment requiring a 1-1/2" round bore. Manufactured from hardened steel, it provides dependable torque transfer and long service life in demanding agricultural and industrial PTO applications.

Country of Origin: Varies by production batch

Key Features / Specifications

• Model / SKU: 1132400H-21
• Product Type: Hardened PTO adapter
• Input Connection: 1-3/8" × 21 spline (female)
• Output Bore: 1-1/2" round bore
• Material: Hardened steel
• Function: Adapts PTO spline output to round-bore driven components
• Construction: Designed for durability under high torque loads
• Application Type: Agricultural and industrial PTO driveline systems

Ideal For

• Adapting a 1-3/8"-21 spline PTO shaft to 1-1/2" round-bore equipment
• Tractor PTO connections requiring a hardened, wear-resistant adapter
• Repairs or retrofits where spline-to-round bore conversion is needed
• Maintaining reliable power transfer in high-load PTO applications