PTO Drive Shaft T Series – Standard Triangular Profile Agricultural PTO Shaft

The T Series PTO Drive Shaft is a versatile, triangular-profile power take-off shaft engineered for light-to-heavy-duty agricultural machinery. Covering models T1 through T10 (including T7N and T38), it delivers operating torques from 320 Nm up to 3,500 Nm at both 540 and 1,000 RPM. Precision-machined cardan joints, hardened cross kits, and telescopic triangular tubes ensure smooth, reliable power transmission with minimal vibration. Ideal for rotary tillers, mowers, balers, feed mixers, manure spreaders, and PTO-driven pumps, the T Series is the go-to choice for farmers and equipment dealers seeking a cost-effective, durable replacement shaft. CE-certified and backed by ISO 9001 manufacturing, every unit ships with safety shields and chains for operator protection.

Description

T Series PTO Drive Shaft – Reliable Triangular Profile Power Transmission for Agriculture

The T Series PTO drive shaft is a precision-engineered, triangular-profile power take-off shaft designed to transfer rotational energy from your tractor’s PTO output to a wide range of farm implements. Built with heavy-duty cardan joints, hardened alloy cross kits, and telescopic triangular-profile tubes, the T Series delivers dependable performance across torque ratings from 320 Nm to 3,500 Nm. Whether you run a compact hobby farm or a large-scale commercial operation, there is a T Series model sized for your application.

Industries served: Agriculture, livestock farming, horticulture, viticulture, municipal maintenance, and light industrial power transmission.

Core advantages at a glance: Wide torque range · Triangular tube profile for positive engagement · CE-certified safety shields · Drop-in replacement for major OEM brands · Available from stock in 12 models.

T Series PTO Drive Shaft for agricultural machinery

Technical Specifications – T Series PTO Shaft

Model Cross Size (mm) 540 RPM – Kw 540 RPM – Pk 540 RPM – Nm 1000 RPM – Kw 1000 RPM – Pk 1000 RPM – Nm MP (NM)
T1 22×54 12 16 210 18 25 172 320
T2 23.8×61.3 15 21 270 23 31 220 450
T3 27×70 22 30 390 35 47 330 640
T4 27×74.6 26 35 460 40 55 380 780
T5 30.2×80 35 47 620 54 74 520 1050
T6 30.2×92 47 64 830 74 100 710 1450
T7 30.2×106.5 55 75 970 87 118 830 1800
T7N 35×94 55 75 970 87 118 830 1800
T8 35×106.5 70 95 1240 110 150 1050 2250
T38 38×105.6 78 105 1380 123 166 1175 2500
T9 41×108 88 120 1560 140 190 1340 2800
T10 41×118 106 145 1905 170 230 1650 3500

How the T Series PTO Shaft Works

A standard T Series PTO shaft consists of two cardan (universal) joints connected by a telescopic triangular-profile tube assembly. The tractor-side yoke splines onto the PTO stub, while the implement-side yoke connects to the driven machine. When the tractor PTO rotates at 540 or 1,000 RPM, the cardan joints accommodate angular misalignment between tractor and implement, and the telescopic tube allows the shaft to extend or retract as the implement moves closer to or farther from the tractor. The triangular tube profile ensures positive torque transfer while permitting smooth axial sliding. Cross kits (universal joint bearings) are sealed and pre-greased for extended service life.

Key structural components: End yoke (tractor side) · Cross kit · Outer triangular tube with yoke · Inner triangular tube with yoke · Safety shield assembly (inner & outer cones, bearings, tubes) · Safety chains · Spring pins.

PTO shaft internal structure and components

Core Advantages of the T Series PTO Shaft

Broad Torque Coverage

Twelve models span 320–3,500 Nm, matching implements from finishing mowers to large round balers without over-specifying.

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Hardened Cross Kits

Case-hardened bearing cups with needle rollers deliver high load capacity and resist shock loads from rough field conditions.

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Easy Maintenance

Grease fittings on every cross kit and splined connection simplify routine lubrication; no special tools required for disassembly.

CE-Certified Safety

Every shaft ships with a full plastic safety shield, guard cones, shield bearings, and safety chains compliant with EU Machinery Directive 2006/42/EC.

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Cost-Effective Replacement

Direct dimensional interchange with popular European and North American OEM shafts reduces downtime and purchasing complexity.

Structure & Material Craftsmanship

Every T Series shaft is manufactured from high-strength carbon steel tubes that are cold-drawn to precise triangular profiles, ensuring consistent wall thickness and tight telescopic fit. The yokes are drop-forged from 40Cr alloy steel, then machined and heat-treated to achieve a surface hardness of HRC 58–62 on bearing bores. Cross kits use GCr15 bearing steel with precision-ground needle rollers housed in sealed cups, delivering a minimum fatigue life exceeding 500 hours under rated torque. Splined hubs are broached to DIN 9611 tolerances, and all mating surfaces receive a yellow zinc-chromate finish for corrosion resistance. The plastic safety shield is injection-molded from impact-resistant polypropylene and rated for continuous operating temperatures up to 120 °C.

Typical Application Scenarios

Application Recommended Model How It Works
Rotary Tiller / Cultivator T3 – T5 Tractor PTO drives the tiller gearbox via the shaft; T Series absorbs shock from hitting stones or roots.
Hay Mower / Disc Mower T2 – T4 Continuous rotation at 540 RPM powers the cutter bar; lightweight T2 minimizes parasitic drag on smaller tractors.
Round / Square Baler T6 – T8 High peak torque during bale ejection demands the larger cross kits and tube sections of T6–T8.
Feed Mixer T5 – T7 Mixing augers require sustained torque at 540 RPM; the T5–T7 range provides ample margin.
Manure Spreader T4 – T6 Variable load as material feeds out; telescopic action accommodates spreader body movement over uneven ground.
Water Pump / Irrigation T1 – T3 Steady-state load at either 540 or 1,000 RPM; compact T1–T3 keeps installation tidy on trailer-mounted pumps.

PTO shaft application scenarios on farm machinery

Selection Guide – Choosing the Right T Series Model

Selecting the correct PTO shaft involves matching several parameters to your specific equipment setup. Follow this checklist to ensure a precise fit:

  1. Required torque (Nm): Check the implement manufacturer’s specification for input torque at the rated RPM (540 or 1,000). Choose a T Series model whose rated torque exceeds the implement requirement by at least 20%.
  2. PTO speed: Confirm whether the implement requires 540 RPM, 1,000 RPM, or is switchable. All T Series shafts support both speeds.
  3. Closed length & stroke: Measure the minimum distance between tractor PTO stub and implement input shaft when the implement is fully raised. The shaft’s closed length must be shorter than this distance. Measure the maximum distance (implement fully lowered/extended) to verify adequate stroke.
  4. Yoke type & spline count: Identify the spline profile on both tractor PTO stub (typically 6-spline 1-3/8" or 21-spline 1-3/8") and implement input shaft. T Series yokes are available in standard push-pin, quick-release, and slip-clutch configurations.
  5. Guard requirements: Confirm whether CE-type full-length shields are required by local safety regulations.
  6. Operating angle: Keep working angles below 25° at 540 RPM or 15° at 1,000 RPM to minimize vibration and extend service life.

Need assistance selecting the right model? Contact our engineering team for a free sizing recommendation.

Brand Compatibility & Replacement Guide

The T Series PTO shaft is precision-manufactured to match the dimensional and performance standards of shafts originally supplied with equipment from well-known manufacturers. This product is designed as a direct aftermarket replacement for PTO shafts found on machinery by:

  • Walterscheid (Series 2100 / 2200 / 2300 / 2400 / 2500)
  • Bondioli & Pavesi (S1 – S5 series equivalent cross sizes)
  • Comer Industries
  • Benzi & Di Terlizzi
  • Magdalena (AgroStar series)

Disclaimer: All brand names mentioned above are the property of their respective owners and are referenced solely to indicate compatibility. This listing does not imply endorsement or affiliation.

Replacement parts – including cross kits, yokes, tubes, safety shields, and pin kits – are individually available for field servicing. Browse our full PTO parts catalog for components.

Quality Certifications & Service Commitment

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ISO 9001:2015

Manufacturing facility fully certified under the latest quality management standard.

CE Marking

Every shaft assembly complies with the EU Machinery Directive 2006/42/EC.

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12-Month Warranty

Full replacement warranty against material or manufacturing defects under normal operating conditions.

Our after-sales team provides: free technical consultation · replacement parts shipped within 48 hours · online installation guidance via video call.

Frequently Asked Questions

What is the difference between 540 RPM and 1,000 RPM PTO shafts?

The rotational speed refers to the tractor PTO output. A 540 RPM shaft is standard on most agricultural tractors, while 1,000 RPM is common on higher-horsepower models. The T Series supports both speeds; however, you must match the spline count on the tractor-side yoke (typically 6-spline for 540 RPM and 21-spline for 1,000 RPM).

How do I measure the correct PTO shaft length?

With the implement hitched and raised to its working transport position, measure the gap between the tractor PTO stub face and the implement input shaft face. The shaft’s closed length should be 50–75 mm shorter than this measurement to ensure adequate overlap of the telescopic tubes.

Can I shorten a T Series PTO shaft?

Yes. Both the inner and outer triangular tubes can be cut to a shorter length. After cutting, deburr the edges and verify that the minimum overlap of 1/3 of the tube length is maintained for safe operation.

How often should I grease the PTO shaft?

Lubricate all cross kit grease fittings and the splined telescopic connection every 8 operating hours or at the start of each workday, whichever comes first. Use a high-quality lithium-based EP2 grease.

Is the safety shield included?

Yes. Every T Series shaft ships with a complete safety shield assembly (inner and outer guard tubes, cones, bearings, and safety chains) at no additional cost.

What warranty do you offer?

We provide a 12-month warranty covering defects in material and workmanship. Warranty claims are processed within 5 business days with free replacement shipping.

Field Notes – Real-World Case Studies

🇦🇺 Australia – Grain Belt, Western Australia

“We fitted T6 shafts to three of our round balers running behind 120 hp tractors. After two full harvest seasons and over 2,000 bales each, the cross kits still feel tight with no play. Far better value than the OEM shafts we used to buy.” — Station manager, broadacre cereal operation

🇧🇷 Brazil – Minas Gerais

“Our dairy uses T5 shafts on TMR feed mixers. The triangular tube profile gives a solid, rattle-free connection even after 18 months of daily mixing cycles.” — Maintenance supervisor, 800-cow dairy

🇫🇷 France – Loire Valley

“We replaced four Walterscheid shafts with T4 equivalents on our vineyard inter-row cultivators. Perfect fit, identical spline engagement, and the price difference funded an extra set of spare cross kits.” — Vineyard operations director

🇮🇳 India – Punjab

“T3 PTO shafts power our rotary tillers across 200 hectares of paddy and wheat. Even in wet, muddy conditions, the zinc-plated finish resists corrosion well.” — Farm equipment dealer, Ludhiana

🇺🇸 United States – Iowa

“We stock T1 through T8 for walk-in customers. The consistent quality batch-to-batch means we get almost zero warranty returns. That’s the benchmark our shop needs.” — Parts counter manager, ag dealership

T Series PTO shaft installed on agricultural equipment

Partner With Us – Wholesale & OEM Supply

Whether you are an equipment manufacturer seeking OEM supply, a farm machinery dealer building inventory, or a procurement manager sourcing replacement parts at scale, we offer competitive pricing, flexible MOQs, and private-label packaging. Our engineering team can also customize yoke configurations, tube lengths, and torque limiter options to your exact specification.

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