Winco Tractor PTO Generator Shaft SA12300 1-3/8 By 1-3/4 Inch (540 RPM 167 HP 70kW W70PTO3 Driveline Farm Mechanical Power Transmission Link)

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SKU: SA12300
Regular price $599.00 USD

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Winco SA12300 167 HP 540 RPM Tractor PTO Generator Drive Shaft

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281-351-2211 - Sales@HilltopTool.com

The Winco SA12300 heavy-duty tractor PTO generator drive shaft transfers mechanical rotational torque from agricultural tractor power take-off splines directly to the generator input gearbox on large farms, ranches, and emergency backup installations. Rated for up to 167 HP and a continuous electrical generating capacity of 70 kW at 540 RPM, this precision-balanced driveline assembly features a standard 1-3/8-inch 6-spline tractor quick-disconnect yoke paired with a heavy 1-3/4-inch 20-spline generator-side coupling. Engineered specifically for seamless compatibility with the Winco W70PTO-3 generator, it delivers 15.28 inches of telescoping shaft travel spanning operating lengths from 39.76 inches to 55.71 inches, equipping agricultural operators, dairy farmers, and rural property managers with vibration-free kinetic power transfer and long-lasting mechanical reliability.

Best Used For:

  • Winco W70PTO-3 Generator Power Take-Off Coupling: Transmitting rotational engine torque from 138+ HP agricultural tractors directly to the generator gearbox for high-output electrical generation.
  • Agricultural Farm and Ranch Backup Operations: Energizing large dairy milking systems, grain drying facilities, and farmstead transfer switch panels during utility grid outages.
  • High-Demand Irrigation and Deep Well Pumping: Driving continuous mechanical power to run massive 240V submersible well motors and pivot irrigation systems in remote fields.

Key Performance & Safety Features

  • High-Torque 167 HP Mechanical Rating: Heavy-duty forged universal joints and solid telescoping shafts withstand severe tractor shock loads and continuous 70 kW generator demands.
  • Standard 540 RPM Operating Speed: Calibrated for exact 540 RPM agricultural tractor power take-off speeds to maintain consistent 60 Hz electrical output frequency.
  • Dual Quick-Connect Splined Yokes: Outfitted with a 1-3/8" 6-spline tractor-end yoke and a 1-3/4" 20-spline generator-end yoke for precise mechanical alignment and slip-free engagement.
  • 15.28 Inches Telescoping Travel: Smooth-sliding profile tubes provide extensive axial flexibility to accommodate three-point hitch movement and variable tractor drawbar positioning.
  • Full-Coverage Safety Shielding: Integrated heavy-duty outer safety guard encloses rotating universal joints and drive tubes to safeguard equipment operators during continuous operation.
  • Greaseable Needle-Bearing Cross Kits: Heavy-duty universal joints feature accessible grease zerk fittings for rapid scheduled maintenance and extended bearing life.

What's Included

  • (1) Winco SA12300 167 HP 540 RPM Tractor PTO Generator Drive Shaft Assembly
  • (1) 1-3/8" 6-Spline Tractor-End Quick-Disconnect Yoke (Installed)
  • (1) 1-3/4" 20-Spline Generator-End Drive Yoke (Installed)
  • (1) Full-Length Heavy-Duty Rotating Safety Guard Shield with Restraint Chains

Available for pickup at our Tomball, TX location:

30702 State Highway 249
Tomball, Texas 77375 

Monday-Friday 7am-5pm CST 
Saturday 7am-1pm CS

Technical Specifications

Manufacturer Winco Inc.
Model Part Number SA12300
Horsepower Rating 167.0 HP Continuous Mechanical Capacity
Electrical Generating Rating 70.0 kW (70,000 Watts Output Capability)
Nominal Operating Speed 540 RPM
Tractor Connection Interface 1.375 inches (1-3/8 in. 6-Spline Quick-Disconnect)
Generator Connection Interface 1.750 inches (1-3/4 in. 20-Spline Involute Yoke)
Total Telescoping Shaft Travel 15.28 inches (388.11 mm Axial Travel)
Operating Length Range 39.76 inches Min. to 55.71 inches Max.
Overall Collapsed to Extended Length 53.90 inches Min. to 70.48 inches Max.
Total Net Driveline Weight 54.00 lbs (864.00 oz / 24.49 kg)
Generator Unit Compatibility Winco W70PTO-3 & W70PTO-3/A Generators
Suitable for material type 540 RPM Category 2/3 Tractor Power Take-Off Output Shafts

Pro-Tip: Always position the tractor and PTO generator so the drive shaft operates as level and straight as possible (keeping joint angles under 10 degrees); minimizing universal joint operating angles reduces torsional vibration and significantly extends needle-bearing service life.