CTA-045738 – 49kN x 10t Pintle Hook
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$225.00 Inc.GST
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10T Truck Pintle Hook | CTA-045738
Couplemate™ specialises in safe and secure towing equipment. The CM504, or the 10T Pintle Hook, is rated to a maximum ATM of 10,000kg and has a CTA number.
Product Specifications
This pintle hook has a yellow horn and is designed to tow 75mm trailer ring couplings.
- Maximum ATM: 10,000kg
- Maximum D-Value: 49kN
- Component Type Approval Number: CTA-045738
- Hole Centres: 85mm x 45mm – Bolts 1/2 inch x 2.25 inch
- Minimum grade 8.8 bolt
Important: Do not use this component in any application that exceeds the specified maximum D-Value and/or ATM (Aggregate Trailer Mass). If you need a higher ATM or D-Value, you may need: PINTLEHOOK-504.
Why is the D-Value important?
Towing capacity for Pintle Hooks is critical when selecting the correct pintle hook, as it varies depending on your truck and trailer weight.
Finally, the hitch rating is a force measurement from dynamic testing (2,000,000 cycles at full load), during which maximum pressure is applied to the pintle hitch. In the case of the Couplemate 10t pintle hook pintle ring on the right-hand side in the image, the “D-Value” is 49 kN.
Mismatched towing components wear and break prematurely.
- Attain Trailer Weight
- Attain Truck GVM
- Select the correct D-value from the chart below
- Install the Pintle Hook into the 85mm x 45mm hole spacings.
- Failure to select the correct D-Value to match your truck/trailer combination will result in excessive component wear.
Frequently Asked Questions
Two forces are acting on a pintle hook; they are
- D-value is the horizontal force of towing a trailer.
- S-Value is the downward vertical force on the trailer on the tow bar.
What is a CTA Number?
Road vehicle regulation in Australia started a new era on 1 July 2021. The CRN and SARN system was replaced by the Component Type Approval to demonstrate regulatory compliance. It’s essentially a certificate.
Read more in our technical article: Introduction to Road Vehicle Compliance (CTA)
What spare parts are available?
Each unit includes high-tensile bolts, spring washers, and nuts.
- Spare Mounting Hardware
- Spare Pintle Safety Chain Clasp
Purchase other pintle hook mount equipment here.
- 70mm Integral Ball x 10t Truck Pintle Hook CTA-061572
- 36.4kN Pintle Hitch Tow Bar Receiver (6.0t ATM)
- Pintle Combination Receiver Arm
- Pintle Towbar Adaptor 8 Hole
- Truck Pintle Hooks | 36.8kN to 84kN
- Ring Coupling | D-Value 49kN
- Pintle Adaptor Suit Ringfeder Ring Coupling
- Pintle Hook Safety Chain
- Pintle Hook Safety Chain and Clip
- 50-Tonne Rigid Mount Pintle Hook – 6 Hole
- 57.64kN x 10t Truck Pintle Hook CRN-44545
- 80kN x 20t Truck Pintle Hook CTA-016122
- 58kN x 10t Truck Pintle Hook CTA-016120
- 49kN x 10t Truck Pintle Hook CTA-045738
- 84kN x 16.5t Truck Pintle Hook CTA-045955
10-Tonne Pintle Hook: Operational DO’s & DON’Ts
Heavy-duty transport demands strict safety compliance. Follow these critical guidelines to ensure your 10,000kg rated pintle hook operates safely and passes heavy vehicle road inspections.
✔️ Towing Best Practices (The DO’s)
- Match the D-Value Ratings: Ensure your towbar, mounting structure, and drawbar eyelet are all rated for a 20-tonne capacity and equivalent D-Value loads.
- Use Grade 8.8 (or higher) Bolts: Secure the pintle hook with high-tensile mounting hardware (typically four M16 Grade 8.8 or Grade 10.9 fasteners) torqued to the manufacturer’s specifications.
- Insert the Safety Linchpin: Always engage the secondary safety tether pin, or linchpin, after dropping the top latch over the drawbar eye; this prevents accidental decoupling on rough terrain.
- Lubricate the Pivot Point: Apply heavy-duty chassis grease to the hook’s horn and grease nipples regularly to reduce friction and wear between the hook and the trailer ring.
- Check CRN/ADR Compliance: Do verify that the component markings (such as ADR approval or Component Registration Number tags) remain clear and legible for transport authority checks.
❌ Critical Safety Risks (The DON’Ts)
- Don’t Weld the Pintle Hook Body: Never weld, modify, or heat-treat the cast or forged pintle hook body, as this alters the metallurgy and can cause sudden structural failure under load.
- Don’t Exceed Maximum Vertical Load: Never confuse the 20t maximum towing capacity with the static vertical tongue weight limit (typically significantly lower, around 2,000kg to 4,000kg).
- Don’t Tow with Excessive Wear: Never operate the hook if the throat/horn thickness has worn down by more than 10% of its original dimension; replace the hook immediately if it fails wear-gauge tests.
- Don’t Mix Mismatched Eyelet Sizes: Avoid using small or overly oversized drawbar rings; always mate the hook with a heavy-duty 2.5-inch (63.5mm) or 3-inch (76.2mm) ADR-approved towing eye.
- Don’t Tighten Safety Chains Too Tight: Never tighten your trailer safety chains so much that they restrict the pintle hitch’s 90-degree articulation and turning-circle clearance.
Additional information
| Weight | 6 kg |
|---|---|
| Dimensions | 20 × 20 × 20 cm |
| Bolt Holes | 85mm x 45mm |
| Bolt Diameter | 1/2-inch |
| Brand | Couplemate |
| Coating | Powder Coated |
| D-Value | 49kN |
| Materials | SAE1045 (Forged) |
| Max. ATM | |
| Capacity | 10,000kg |
| Coupling | 75mm Ring |
| CTA Approval | 045738 |
| Application | Truck |
Our Service Lifetime Warranty
Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.
Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.
Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.
Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.
60-Day Returns
After 60 years of experience, we know that life has its unpredictable moments.
All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.
You can view our full policy for change-of-mind returns here.
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