Z6 Spline
Overview
Product sourcing insights & recommendations
The Z6 spline (6-tooth configuration) is a foundational component for mechanical power transmission, primarily dominating the agricultural PTO (Power Take-Off) and industrial machinery markets. The global spline shaft market is currently valued at USD 2.22 billion (2025) and is projected to reach USD 3.5 billion by 2035, growing at a 4.6% CAGR.
Key insights include:
- Standardization: Most commercial demand centers on 1-1/8" and 1-3/8" diameters for agricultural machinery compatibility.
- Material Trends: While induction-hardened alloy steel (20CrMnTi/40Cr) remains the industry standard for durability, emerging demand in EV powertrains is driving innovation in precision manufacturing and lightweighting.
- Sourcing Dynamics: B2B pricing for standard Z6 adapters ranges from $10 to $15 per unit, with major manufacturing clusters located in Hangzhou and Hebei.
Detailed technical specifications, growth drivers for 2026, and a pricing analysis across different product types are included in the comprehensive report provided below.
Based on the market report, you may want to proceed with:
1 3 8" Z6 Spline Coupler Pto Adapter
Products · 2 lists
Pto Adapter Clamp Type 1-3/8" 6 Spline Female 1-3/8" 6 Spline Male 75 HP Fits PTO Drivelines & Parts PA09 PA-09 VTF6010 XB371
Hangzhou Brin Auto Parts Co., Ltd.verified🇨🇳CN12 yrs
Overrun Clutch for Tractor Pto Implements;Overrun Coupler 1-3/8 In. 6-spline
Hangzhou Sansen Hardware Machinery Co., Ltd.🇨🇳CN19 yrs
Quality Spares International PA-09 Standard PTO Adapter-Quick Release Collar/Coupler 1-3/8" 6 Spline Female Male Made in India
QUALITY SPARES INTERNATIONAL🇮🇳IN8 yrs
Quick Release 6 Spline 1 3/8\" Roller Tractor Shaft Link Coupler PTO Overrun Clutch Running Coupler for Agricultural Machinery
Hangzhou Papaya Trading Co., Ltd.🇨🇳CN13 yrs
Custom CNC Turning Servo Shaft Coupler and Spline Shaft Couplings H25T Spline
Dongguan Xingchengnuo Metal Products Co., Limitedverified🇨🇳CN6 yrs
Universal OEM Flexible Stainless Steel Couple Spline Couplings Spline Shaft Coupler
Custom CNC Turning Machined Brass 25T Spline Servo to 1/4 Shaft Coupler with Set Screw
AB33-22 KD Hydraulic Pump Coupling Taper Spline Bore Jaw Coupler for Piston Vane Gear Pump Hydraulic Motor
Wuxi Jinruilong Automation Co., Ltd.verified🇨🇳CN1 yr
Manufacturer OEM High Quality Stainless Steel Spline Shaft Coupling with Gear and Bearing for Spline Socket Set and Gearbox
Xiamen Zhonghexin Industry And Trade Co., Ltd.verified🇨🇳CN7 yrs
ZANGO Heavy Duty PTO Splined Coupling R138286 0.172kg Spare Parts Replacement Power Take Shaft Coupler Agricultural Tractor
ZANGO SUPER STEERING CO.🇮🇳IN1 yr
R125178 Splined Coupling Z = 52 Parallel Shaft PTO Geartrain fits for agricultural tractor spare parts
Guangzhou Xingchao Agriculture Machinery Co., Ltd.🇨🇳CN7 yrs
Precision Steel Universal Joint Coupler Telescopic Drive Shaft Connector Hexagonal Spline Sleeve Cross-axis Sliding Coupling
Puyang Zhongda Precision Automation Co., Ltd.verified🇨🇳CN5 yrs
R138286 Splined Coupling COUPLING PTO 5-900 Agricultural Machinery Part
Hangzhou Stable Machinery Co., Ltd.verified🇨🇳CN9 yrs
Durable R244166 Splined Coupling Suitable for JD Tractor Agricultural Machinery Accessories Parts
Guangzhou Shengbao Agricultural Machinery Co., Ltd.verified🇨🇳CN8 yrs
50T*10/13T Coupling Coupler Flange Spline Excavator Parts
Guangzhou Hongyue Machinery Equipment Co., Ltd.verified🇨🇳CN6 yrs
Splined Hub Coupling K3V112DT Spline Excavator HUB Spline No Hub Coupling
Guangzhou Borande Machinery Parts Co., Ltd.🇨🇳CN14 yrs
Agricultural Spare Parts Flange Splined Coupling H106283 H165510 27072 813514 624545 Replacement for John Deere CLAAS CNH
Ningbo Combine Machinery Co., Ltd.verified🇨🇳CN22 yrs
K3v63dtp Pump Coupling Assy 2418U224S7 2418U224F2 Spline Sleeve Centerflex Pump Connector
Jining Aowei Machine Co., Limited🇨🇳CN12 yrs
Spline Coupling 13T-70-23-19-50 for Engine with 17 Gauge 12 cm 3 Holes
Hebei Keluo Construction Machinery Co., Ltd.verified🇨🇳CN4 yrs
Spline Transmission Shaft Three-section Splined Sleeve Shaft Sleeve Telescopic Shaft Miniature Coupling Coupling Universal Joint
Yueqing Aoda Electric Co., Ltd.🇨🇳CN6 yrs
New 15 Splines Hydraulic Pump Coupler D136083 253541A1 for 580K 580SK 580L 590SL Engine
43T*14T Spline Coupler Coupling Flange Excavator Parts
Guangzhou Junyue Industry And Trade Co., Ltd.🇨🇳CN1 yr
XL GR Star Universal Coupling Steel Flexible Shaft Coupler Spline Electric Motor Drive Quick Release Pump 12 Spline Tapered 30MM
Julu Binhao Transmission Equipment Co., Ltd.verified🇨🇳CN3 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
26 sources cited · Verified industry data & reports
China Professional Agriculture 1-1/8″ Z6 Pto Spline Shaft
shaft-pto.com
Spline shaft is a type of mechanical transmission that transmits mechanical torque just like flat keys, half round keys, and diagonal keys.
Agriculture 1-1/8″ Z6 Pto Spline Shaft
Made-in-China.com
Spline shaft is a type of mechanical transmission that transmits mechanical torque just like flat keys, half round keys, and diagonal keys.
Professional Industrial Grade 6 Spline Heat Treated 8 ...
Alibaba.com
Product Name:Agricultural Spline PTO Drive Shaft;Material:High. Spline Z6 Spline Harvester. High-Strength Carbon Steel Construction: Includes anti-rust oil, ...
PTO, 0.98" 6 spline
TractorByNet
a front PTO. It has 6 spline and the diameter of it is just below 1", about 0.98" or 24mm to be exact. as "1 inch 6 Spline coupler" retaining ...
Spline Shaft - Weasler Engineering, Inc.
Weasler
Weasler shafting is available in both domestic (North American) and metric profile shapes. Domestic shafting is provided as square, rectangle, hex or splined.
Agriculture Splines 1-3/8″ Z6 PTO Splined Shaft
XinLan Technology Co., Ltd.
Spline shaft is a type of mechanical transmission that transmits mechanical torque just like flat keys, half round keys, and diagonal keys. 6 axial positions.