Plain Bore Yoke Type F – Vertical Pin Hole
The Plain Bore Yoke Type F features a vertical (axial) pin hole for shaft retention in tight spaces where side access is blocked. The pin is inserted from the yoke face rather than the side, solving clearance issues common in compact machinery and enclosed driveline housings. Available across series 1 through 8 with bores from 20 to 45 mm, pin sizes 6–13 mm. Forged alloy steel, CNC-machined, heat-treated. Supplied by Ever-power with ISO 9001:2015 quality assurance.
Plain Bore Yoke Type F – Vertical Pin Hole – Round Bore PTO Shaft End Yoke
Plain round bore yoke | Type F | Multiple series | Forged alloy steel
The Ever-power Plain Bore Yoke Type F features a vertically oriented pin hole — running parallel to the shaft axis rather than perpendicular. This design is specifically engineered for installations where side access is restricted by guards, housings, or adjacent components. A roll pin or dowel pin is driven in from the yoke face, passing through the yoke wall and into a matching hole in the shaft end.
🔧 Technical Specifications
| Series | A (mm) | B (mm) | C (mm) | E (mm) | F (mm) |
|---|---|---|---|---|---|
| 1.05F20 | 22 | 54 | 77 | varies | varies |
| 2.05F20 | 23.8 | 61.3 | 82 | varies | varies |
| 3.05F22 | 27 | 70 | 90 | varies | varies |
| 4.05F25 | 27 | 74.6 | 90 | varies | varies |
| 5.05F30 | 30.2 | 80 | 98 | varies | varies |
| 6.05F35 | 30.2 | 92 | 104 | varies | varies |
| 7.05F40 | 30.2 | 106.5 | 117 | varies | varies |
| 8.05F40 | 35 | 106.5 | 121 | varies | varies |
⭐ Key Features & Benefits
🔨
Vertical Pin Orientation
Pin hole runs axially (from the yoke face), eliminating the need for side access during installation.
🔄
No Side Protrusion
Unlike transverse pin designs, nothing protrudes from the yoke side — reducing the risk of catching on guards or housings.
💪
Roll Pin or Dowel Pin
Accepts both spring roll pins (for quick field replacement) and precision dowel pins (for permanent installations).
⚙️
Compact Envelope
Vertical pin does not increase the yoke’s radial footprint, making it ideal for enclosed or semi-enclosed drivelines.
🔄 Compatibility Information
Engineered for compact tractor PTOs, enclosed driveline housings, and machinery with limited radial clearance. Fits round shafts from compact tractors by Kubota, Iseki, Yanmar, John Deere Compact Utility, and industrial drives where safety shields or gearbox housings prevent side-access pin installation. Also used on marine PTO drives and mobile hydraulic power units.
📚 Selection Guide
Step 1: Confirm that side access is restricted and a vertical pin approach is required.
Step 2: Measure the shaft diameter and the existing vertical pin hole diameter (if pre-drilled).
Step 3: Select the correct bore and pin size from the specification table.
Step 4: Choose roll pin (removable) or dowel pin (semi-permanent) based on expected service frequency.
🌾 Typical Application Scenarios
⚙️ Compact Tractor PTO
Fits tight PTO compartments on sub-compact and compact utility tractors where guards limit side access.
🚢 Marine PTO Drives
Enclosed engine compartments on boats leave no room for side-installed pins.
💾 Mobile Hydraulic Power Packs
Skid-mounted units with integrated guards around the driveline.
🌿 Greenhouse & Nursery Equipment
Small-frame equipment in confined greenhouse environments.
🛠️ Installation & Usage Guide
Confirm the shaft end has a matching vertical pin hole; if not, drill using a lathe or drill press for concentricity.
Slide the yoke onto the shaft until the vertical holes align — use a alignment punch to verify.
Drive the roll pin or dowel pin into the hole from the yoke face using a pin punch and mallet.
Ensure the pin sits below the yoke face surface to avoid interference with the cross kit.
Fit the cross kit into the yoke ears and secure with snap rings.
Apply grease, rotate the driveline by hand to confirm free movement, then engage the PTO at low speed.
❓ Frequently Asked Questions
⭐ Customer Reviews
★★★★★
Type F solved our clearance problem on a Kubota B-series PTO. No room for a side pin, but the vertical approach works perfectly.
Tony R. — 🇦🇺 Australia
★★★★☆
Good niche product. The vertical pin hole was accurately drilled and concentric. Would appreciate a larger bore range.
Jens W. — 🇩🇪 Germany
★★★★★
Used on our marine PTO drive — the enclosed engine bay left no side access. Type F was the only option and it performed flawlessly.
Philippe C. — 🇫🇷 France
★★★★★
200 units for our mobile hydraulic power pack assembly. Vertical pin design saves assembly time when guards are pre-installed.
Rahul D. — 🇮🇳 India
★★★★☆
Solid product for a specific need. If you have clearance problems, Type F is the answer.
Mike W. — 🇺🇸 United States
📈 Our Product vs. Low-Quality Alternatives
| Feature | Ever-power Yoke | Low-Quality Alternative |
|---|---|---|
| Pin Orientation | ✔ Vertical (axial) — no side access needed | ✘ Horizontal (transverse) — requires side clearance |
| Radial Protrusion | ✔ None — pin is flush with face | ✘ Pin protrudes from side |
| Installation Access | ✔ From yoke face only | ✘ From the side |
| Material | ✔ Forged C45 steel | ✘ Cast iron |
| Pin Hole | ✔ CNC-drilled concentric | ✘ Off-centre hand drilling |
| Quality | ✔ ISO 9001:2015 certified | ✘ No quality standard |
🔗 Related Products & Accessories
Roll Pins (ISO 8752)
Spring pins for Type F vertical hole
Dowel Pins
Precision dowels for permanent installations
Cross & Bearing Kits
U-joint kits for yoke ear connections
Retaining Compound
Loctite 640 for permanent pin retention
Complete PTO Shafts
Assembled compact driveline packages
🏆 Certifications & Standards
🏆
ISO 9001:2015
Quality management system certified by accredited body
🛡️
Material Test Reports
EN 10204 3.1 mill certificates for every steel batch
✅
CE Compliance
Meets European machinery safety directives
🔎
100% Inspection
Every yoke dimensionally verified before shipment
🏭 Why Choose Ever-power?
We are Ever-power, and our Type F vertical pin yoke fills a niche that most manufacturers overlook. When safety guards, gearbox housings, or engine compartments block side access, our vertical pin design provides the only practical solution. We developed this yoke in response to feedback from compact tractor and marine PTO users in Australia, Japan, and Europe. Manufactured with the same ISO 9001:2015 certified processes as our entire range, and exported to 50+ countries, the Type F proves that specialised engineering does not have to carry a premium price.
📞 Ready to Order? Let’s Talk!
Whether you need a single replacement yoke or a container-load OEM order, our team is here to assist. Contact us for competitive pricing, rapid delivery, and expert technical support.
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The Plain Bore Yoke Type F features a vertical (axial) pin hole for shaft retention in tight spaces where side access is blocked. The pin is inserted from the yoke face rather than the side, solving clearance issues common in compact machinery and enclosed driveline housings. Available across series 1 through 8 with bores from 20 to 45 mm, pin sizes 6–13 mm. Forged alloy steel, CNC-machined, heat-treated. Supplied by Ever-power with ISO 9001:2015 quality assurance.
