描述
PTO Drive Shaft for New Holland Round Balers CAT3–CAT5 Introduction
This Constant Velocity (CV) Driveline is engineered for New Holland Round Balers, including models BR7050, BR7060, BR7070, BR7080, and BR7090. Designed to handle high and fluctuating torque during baling operations, it ensures smooth power transmission, reduced vibration, and extended service life in demanding field conditions.
New Holland specifies CAT3, CAT4, or CAT5 PTO drive shaft depending on baler model and torque requirements. Our solution fully complies with these specifications and supports various torque limiter configurations to protect both tractor and baler drivetrains.
We not only offer pto shafts but also provide CV joint boot repair kits. Click below to learn more.
PTO Drive Shaft
1. Other PTO Drive Shaft Combinations are Available
| MODEL | HP | CAT | TORQUE DEVICE |
|---|---|---|---|
| BR7050 | 40 | CAT3 | SHEAR BOLT |
| BR7050 HM | 45 | CAT3 | SHEAR BOLT |
| BR7060 | 60 | CAT4 | SHEAR BOLT |
| BR7060 STD | 60 | CAT4 | SLIP CLUTCH |
| BR7060 SS | 65 | CAT4 | SLIP CLUTCH |
| BR7060 CC | 100 | CAT5 | CUTOUT CLUTCH |
| BR7070 | 70 | CAT4 | SLIP CLUTCH |
| BR7070 SS | 70 | CAT4 | SLIP CLUTCH |
| BR7070 CC | 105 | CAT6 | CUTOUT CLUTCH |
| BR7080 | 70 | CAT5 | SLIP CLUTCH |
| BR7090 | 80 | CAT5 | SLIP CLUTCH |
2. PTO Shaft Slip Clutches and Shear Bolt Clutches
| Constant Velocity PTO | Tractor | Base Part Number | Implement Device |
|---|---|---|---|
| CAT3 / 540 | 1.375-6 | 71R4121UCW07000 | Must specify |
| CAT4 / 540 | 1.375-6 | 7G7R121U2WR7R07 | Must specify |
| CAT4 / 1000 | 1.375-21 | CS6R121U2WR8000 | Must specify |
| CAT5 / 540 | 1.375-6 | 71R8121UCWR7R10 | Must specify |
| CAT5 / 1000 | 1.375-21 | CS8R121U2WR8000 | Must specify |
3. Round Baler PTO Drive Shaft : Product Core Advantages
- Full Range of Performance Levels (CAT 3 / 4 / 5): Whether your model is the BR7050, BR7060, or the high-performance BR7090, we offer CAT3 to CAT5 CV Drivelines that meet original equipment manufacturer (OEM) specifications, ensuring perfect torque capacity matching your equipment’s horsepower.
- High-Precision Spline Interface: Compatible with mainstream tractor output specifications, offering multiple input shaft options including 1.375-6 (6-Spline) or 1.375-21 (21-Spline), ensuring plug-and-play functionality and secure connection.
- Integrated Torque Protection: Equipped with various specifications of torque limiters. When the baler experiences overload, the system responds instantly, protecting your baler’s core components and the tractor’s PTO shaft from critical damage.
- Constant Velocity Transmission Technology: Utilizing professional CV Driveline design, it significantly reduces mechanical fatigue during operation on uneven farmland, resulting in smoother transmission system operation and extending the overall maintenance cycle of the machine.
📢 Ordering Reminder
Due to the diverse configurations of the BR7000 series, we recommend that you contact our technical team before placing your order to provide your specific model and tractor specifications. This will allow us to match you with the most suitable transmission solution.
Round Baler PTO Drive Shaft Advantages
Reduced Inventory Complexity: Our product line covers the full range from CAT3 to CAT5 specifications and is compatible with both 6-key and 21-key inputs. This means dealers only need to work with one supplier to meet the purchasing needs of all New Holland round baler customers.
Maximize Profits with Direct Supply: As a direct supplier, we eliminate the middleman. While guaranteeing OEM-level quality, we offer highly competitive wholesale prices, directly increasing your retail profit margins.
Zero-Risk After-Sales Guarantee: Every driveshaft undergoes rigorous dynamic balancing testing. For large B2B clients, we provide comprehensive technical parameter manuals and parts catalogs (PTO drive shaft parts) support, significantly reducing return rates due to installation mismatches or quality issues.
Rapid Response for Peak Season: We understand the urgency of the baling season. Through readily available inventory and an efficient logistics system, we ensure timely delivery before the harvest peak, helping you win more customers who urgently need replacement parts.
4. Round Baler PTO Drive Shaft Applications
A PTO shaft is used whenever a machine doesn’t have its own engine and relies on a tractor or vehicle to provide power. Farmers and equipment operators have driven most of the innovation in PTO shafts, finding clever ways to harness tractor engines for all kinds of tasks.
Common uses for PTO shafts include:
4.1.Wood Chippers – powering blades to quickly reduce branches and logs.
4.2.Hay Balers – driving the mechanisms that compress and bind hay into bales.
4.3.Harvesters – transferring engine power to cutting and threshing components.
4.4.Mechanical Arms – operating hydraulics or rotating parts without a separate motor.
4.5.Water Pumps – running irrigation pumps or other fluid-moving equipment directly from the tractor engine.
Essentially, any implement that needs energy but doesn’t have its own engine can make use of a PTO shaft, turning a tractor into a versatile power source.
5.Round Baler FAQs
Q1: What specific PTO shaft types do you offer for the New Holland BR7000 series?
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We offer various PTO shaft types that meet original equipment manufacturer (OEM) standards, including CAT3, CAT4, and CAT5. You can choose between standard universal joints or CV (constant velocity) wide-angle drive shafts that support large-angle turns, depending on your baler’s horsepower requirements.
Q2: If my baler needs replacement wear parts, do you have the corresponding PTO drive shaft parts?
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Yes. As a source factory, we stock a full range of PTO drive shaft parts, including universal joints, friction clutch plates, special-shaped steel tubes, and safety-compliant protective covers. You can order parts in bulk along with the complete assembly for convenient after-sales maintenance.
Q3: How do I determine which input shaft specification my New Holland baler should use?
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This mainly depends on your tractor. We offer two mainstream specifications: 1.375-6 (6-spline) and 1.375-21 (21-spline). If you are unsure, simply provide your tractor’s PTO output specifications, and we can accurately match the correct shaft for you.
Q4:Why is a CAT5 drive shaft more suitable than a CAT3 for heavy-duty baling operations?
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This is a question about the load-bearing capacity of the PTO shaft types. CAT5 has a thicker universal joint and thicker tube walls, specifically designed for the huge instantaneous torque generated by high-density baling (such as the BR7090 model), effectively preventing breakage.
Q5:Does the CV Driveline assembly include overload protection components?
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Yes. Our drive shafts integrate various PTO drive shaft parts, such as torque limiters or slip clutches. When the baler is overloaded and jams, it automatically cuts off power, protecting the expensive internal structure of the baler from damage.
Customer Feedback
“Excellent performance during wide-angle turns!” “We have several New Holland BR7060 and BR7070 balers on our farm. The standard drive shafts we used before were very noisy when turning at the end of the field. After switching to this CV-grade PTO Drive Shaft, even 80-degree turns are very smooth. For a farm like ours that requires high-intensity continuous operation, this stability directly translates into profit. Highly recommended for colleagues who need heavy-duty drive components.”
— Lucas M., Commercial Farm Manager
“The ideal choice for B2B procurement.” “As a parts supplier, I value the completeness of product specifications most. This product covers multiple grades from CAT3 to CAT5, and can accurately match New Holland BR series round balers. Customer feedback indicates that installation is very smooth, especially the spline tolerance control is excellent. It has a price advantage over original parts, but the quality is in no way inferior, and it has become a long-term best-selling item in our store.”
— Liam W., Professional Agricultural Machinery Parts Wholesaler
Beyond our primary drive shafts, we offer a full range of transmission accessories and high-torque couplings designed to complement your Biomass Gearbox. Our technical specialists are ready to help you optimize every aspect of your energy transmission line.
