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PTO ADAPTER

Quality Double HH PTO adapters increase, reduce or extend length of tractor’s PTO shaft to fit an implement’s PTO shaft.

  • Yellow zinc plated or black oxide finish
  • NOTE: The over-running coupler is an essential part of PTO drive on rotary mowers, bailers, hay conditioners or any implement where inertia of driven unit may be required to over-run driving source. The coupler drives solidly from tractor to implement and free wheels smoothly when implement exceeds tractor PTO speeds. All dimensions are nominal. 
  • IMPORTANT: Use of PTO adapters may extend PTO shaft’s length and require additional guarding to prevent serious injuries.

Standard Package = 1 piece

PTO ADAPTER ()
Part Number Description Female Spline Male Spline Ext PTO Length Overall Length Max HP Weight
23250Sleeve increaser, Ford1-1/8 " X 61-3/8 " X 62 "750.20
23249Sleeve increaser, all tractors except Ford1-1/8 " X 61-3/8 " X 62-3/16 "750.20
23253Short Increaser1-1/8 " X 61-3/8 " X 61-11/32 "3-1/4 "750.70
23252Heavy Duty Increaser Forged1-1/8 " X 61-3/8 " X 62-3/4 "5-1/2 "751.85
23251Universal Reducer1-3/8 " X 61-1/8 " X 62-7/8 "5-3/4 "751.40
23255Extension Adapter1-3/8 " X 61-3/8 " X 63 "5-3/4 "752.30
23329Set Screw Type1-3/8 " X 211-3/8 " X 64"6-1/8 "752.10
23331Set Screw Type1-3/8 " X 211-3/8 " X 63-1/4 "6-1/2 "752.30
23660Over-Running Coupler Extension; max 1000 RPM1-3/8 " X 61-3/8 " X 64-1/2 "6-3/4 "*5.20
23670Over-Running Coupler Extension; max 1000 RPM1-1/8 " X 61-3/8 " X 64-1/8 "6-3/4 "*5.50
23529Quick Release Extender - 21 spline 1000 RPM1-3/8 " X 211-3/8 " X 214-1/8 "7 "753.20
23531Quick Release -- 21 Spline 1000 RPM to 6 spline 540 RPM1-3/8 " X 211-3/8 " X 64-1/2 "7 "753.50
23539Quick Release -- 6 Spline 540 RPM to 21 spline 1000 RPM1-3/8 " X 61-3/8 " X 214-1/2 "7 "753.70
23556Quick Release Extender -- 6 spline 540 RPM1-3/8 " X 61-3/8 " X 64-1/2 "7 "752.80
23335Set Screw Type1-3/4 " X 201-3/8 " X 64-1/2 "7-1/18 "1003.70
23336Set Screw Type1-3/4 " X 201-3/8 " X 214-1/2 "7-1/18 "1003.90
23676Splined shaft for use with Gresen pump1-3/8 " X 61-3/8 " X 611-5/8 "15 "756.00
Double HH PTO Installation Instructions
Double HH PTO Adapter

23249

Double HH PTO Adapter Universal Reducer

23251

Double HH PTO Adapter Short Increaser

23253

Double HH PTO Adapter Extension Adapter

23252
23255

Double HH PTO Adapter Set Screw Type

23329
23331

Double HH PTO Adapter Set Screw Type

23335

Double HH PTO Adapter Set Screw Type

23336

Double HH Adapter Quick Release Extender

23529

Double HH PTO Adapter Quick Release

23531

Double HH PTO Adapter Quick Release

23539

Double HH Adapter Quick Release Extender

23556

Double HH PTO Adapter Over Running Coupler Extension

23660

Double HH PTO Adapter Over Running Coupler Extension

23670

Double HH PTO Adapter Splined Shaft

23676

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Double HH Manufacturing
PO Box 176 Rock Valley, IA 51247-0176 Phone: 1-800-397-8691 Fax: 712-476-2802   Email: doublehh@doublehh.com

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