Please refer to the Images above; Product Specifications, Associate Part Chart and the Model Fit Guide below to Ensure a proper fit. PRODUCT NUMBER AND VARIATIONS: 140-7940, 140 7940, 1407940 PRODUCT TYPE: Traction Drive V-Belt SIZE: Length 41.00 in. - Width 1/2 in. - Height N/A in. - Weight 0.254 lbs. NOTES & DETAILS: Toro OEM 140-7940 IS COMMINLY USED - 140-7940 Traction Belt Travels from the Two-Piece Engine Traction Pulley to the Hydrostatic Pump Pulley - Tension Between the Drive Belt and Idler Pulley or not Constant and is Controlled by the Operators Traction Control Bail Lever which uses A Two-Piece Traction Cable System that Directly Attaches to Idler Pulley Tensioner Arm and Operator's Traction Control Bail Lever. - Engaging the Drive Capabilities - works by Squeezing or Engaging the Operator's Control Bail Lever adding Pressure Between the Belt and the Idler Pulley which is Fastened to the Idler Arm and Controlled by the Two-Piece Cable System that Attaches to the Operator's Traction Control Bail Lever - Disengaging the Drive Capabilities - work's by Releasing the Operator's Traction Control Bail Lever Which Enable the Cable tension to Relax and the Return Spring on the Idler Pulley's Tensioner Arm to Relieve the Pressure Between the Traction Idler Pulley and the Traction Drive Belt. Speed Variation is Selected by the Operator - By Adjusting the Speed Selection it Increase and Decreases Hydraulic Pressure. COMMON SERIES APPLICATIONS: Toro Select Power TRX Snow Blower Models. MODEL FIT CHART: SNOWBLOWER’S POWER TRX Series – Model Numbers – (* Model Numbers 38870, 38875, 38890, 38891) POWER TRX Update Kit – Part Numbers – (* Part Numbers 145-0700) ASSOCIATED PARTS CHART: ASSOCIATED PARTS REFERENCES FOR PART NUMBER 140-7490 ONLY CLICK ON THE ASSOCIATED PART NUMBER TO BE REDIRECTED 140-7944 - FRONT & REAR TWO-PIECE ENGINE TRACTION/DRIVE PULLEY (Transfers Engine Rotation to the Traction Pulley via Traction Drive Belt - Is One of an Identical Two-Piece Pulley and is Assembled Directly to the Engine Crankshaft with the Beveled Ends Directed Towards Each Other - Installed Behind the One-Piece Auger Engine Pulley and Between Engine Pulley Spacer and the Engine Crankcase - Enables the Engine to Rotate the Traction/Drive Belt, Transmission Pulley and Other Drive Components) x2 Per Snowblower Unit N/A - TRANSMISSION PULLEY (Only Rotates When Tension is Applied Between the Traction Drive Belt and Traction Idler Pulley - Is Assembled Directly on the Transmission Pump Shaft) x1 Per Snowblower Unit 3-4244 - FLAT IDLER PULLEY (Contains Roller Bearing that Allow the Pulley to Match the Speed of the Engine RPM's and is Retained to the Idler Pulley Tensioner Arm - Used to Engage Pressure on The Traction Drive Belt via a Two-Piece Cable System that Is Operated By the Operator's Traction Control Bail Lever Allowing the Rotation of the Traction Pulley to remain Constant) x1 Per Snowblower Unit 136-7186 - IDLER PULLEY TENSIOM ARM (Fasten to the Snowblower Frame or Brackets and Retains the Idler Pulley and Enables Tension to be Applied via the Two-Piece Cable System to the Auger Belt as well as Giving the Idler Pulley Correct Spacing to Travel in-line with the Traction Drive Belt) x1 Per Snowblower Unit
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