Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

ENERPAC Retainer Nut: For RD, For 4 ton, 4 ton Capacity of Attachment - Collar & Base Attachments
ENERPACCollar & Base Attachments

ENERPAC Retainer Nut: For RD, For 4 ton, 4 ton Capacity of Attachment

The ENERPAC Retainer Nut (MPN AD143) is a collar and base attachment designed for use with RD series cylinders. It has a 4-ton capacity and an overall length of 2.25 inches. This retainer nut is manufactured by ENERPAC.

SKU 3G-OTH-194574

Also listed as: AD 143 · AD-143

Brand
ENERPAC
Item
Retainer Nut: For RD, For 4 ton, 4 ton Capacity of Attachment
Category
Collar & Base Attachments
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ENERPAC
Manufacturer Part Number
AD143
Type
For 4 ton, 4 ton Capacity of Attachment
Overall Lg
2.25 in

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ENERPAC Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ENERPAC Retainer Nut (MPN AD143) is a collar and base attachment designed for use with RD series cylinders. It has a 4-ton capacity and an overall length of 2.25 inches. This retainer nut is manufactured by ENERPAC.

Frequently Asked Questions

What is the ENERPAC Retainer Nut AD143 used for?

The ENERPAC Retainer Nut AD143 is a collar and base attachment used to secure components on RD series cylinders. It is designed for 4-ton capacity applications and has a 2.25-inch overall length. 3G Electric supplies this genuine ENERPAC part for industrial maintenance and hydraulic system repairs worldwide.

What are the specifications of the ENERPAC Retainer Nut AD143?

The ENERPAC Retainer Nut AD143 is a retainer nut for RD series cylinders. It has a 4-ton capacity of attachment and an overall length of 2.25 inches. The manufacturer part number is AD143. 3G Electric sources this ENERPAC component for global industrial customers.

Where to buy the ENERPAC Retainer Nut AD143 worldwide?

3G Electric supplies the ENERPAC Retainer Nut AD143 to customers worldwide. We handle full logistics, customs clearance, and delivery for this 4-ton capacity retainer nut. Contact us to order the genuine ENERPAC part for your RD series cylinder application.

How to install the ENERPAC Retainer Nut AD143?

To install the ENERPAC Retainer Nut AD143, first ensure the RD series cylinder is depressurized. Thread the nut onto the cylinder collar and torque to manufacturer specifications. Always follow ENERPAC's safety guidelines for hydraulic attachments. 3G Electric provides this genuine part for reliable installation.

Used in

Common applications for ENERPAC
Heavy equipment maintenance — ENERPAC HCL25010 lock nut ram for lifting and holding large components during repair.
Automated machining — ENERPAC SLRD51 swing clamp cylinder for fixturing parts in CNC workholding systems.
Bolted joint assembly — ENERPAC ERT19024 extended reaction tube with RSL series torque wrenches for flange bolting.
Hydraulic power generation — ENERPAC ZE4408SB-T electric pump for powering torque tools in industrial plants.
Structural testing — ENERPAC A243 flat base attachment for RC series cylinders in load frame applications.
Field service operations — ENERPAC ZU4420MB-G portable pump for remote hydraulic tool operation.

ENERPAC Products

3G Electric supplies ENERPAC collar & base attachments. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
ENERPAC Retainer Nut: For RD, For 9 ton, 9 ton Capacity of Attachment, 3 in Overall Lg (MPN AD173)
ENERPAC
ENERPAC Retainer Nut: For RD, For 9 ton, 9 ton Capacity of Attachment, 3 in Overall Lg (MPN AD173)
ENERPAC Clevis Eye: For RD, For 4 ton, 4 ton Capacity of Attachment, 1.12 in Overall Lg (MPN AD150)
ENERPAC
ENERPAC Clevis Eye: For RD, For 4 ton, 4 ton Capacity of Attachment, 1.12 in Overall Lg (MPN AD150)
ENERPAC Cylinder Base Attachment: For RC, For 13 ton, 12.5 ton Capacity of Attachment (MPN A27)
ENERPAC
ENERPAC Cylinder Base Attachment: For RC, For 13 ton, 12.5 ton Capacity of Attachment (MPN A27)
ENERPAC Cylinder Base Attachment: For RC, For 3 ton, 2.5 ton Capacity of Attachment (MPN A25)
ENERPAC
ENERPAC Cylinder Base Attachment: For RC, For 3 ton, 2.5 ton Capacity of Attachment (MPN A25)
ENERPAC Clevis Eye: For RD, For 9 ton, 9 ton Capacity of Attachment, 2.25 in Overall Lg (MPN AD151)
ENERPAC
ENERPAC Clevis Eye: For RD, For 9 ton, 9 ton Capacity of Attachment, 2.25 in Overall Lg (MPN AD151)
ENERPAC Threaded Connector: For RC, For 5 ton, 5 ton Capacity of Attachment, 1.63 in Overall Lg (MPN A10)
ENERPAC
ENERPAC Threaded Connector: For RC, For 5 ton, 5 ton Capacity of Attachment, 1.63 in Overall Lg (MPN A10)

More from ENERPAC

View all ENERPAC parts
ENERPAC Point Protector Kit: For LGH, For 100 ton, 100 ton Capacity of Attachment (MPN LGH100K5)
ENERPAC
ENERPAC Point Protector Kit: For LGH, For 100 ton, 100 ton Capacity of Attachment (MPN LGH100K5)
ENERPAC
ENERPAC
ENERPAC Cylinder Tilt Saddle: For RCS, For 50 ton, 50 ton Capacity of Attachment, 1.97 in Overall Lg (MPN CATS53)
ENERPAC Collar Clamp Head: For RC, For 3 ton, 2.5 ton Capacity of Attachment (MPN MZ4011)
ENERPAC
ENERPAC Collar Clamp Head: For RC, For 3 ton, 2.5 ton Capacity of Attachment (MPN MZ4011)
ENERPAC Cylinder Plunger Toe: For RC, For 5 ton, 5 ton Capacity of Attachment (MPN A6)
ENERPAC
ENERPAC Cylinder Plunger Toe: For RC, For 5 ton, 5 ton Capacity of Attachment (MPN A6)
ENERPAC Clevis Eye: For RC, For 25 ton, 25 ton Capacity of Attachment (MPN REB25)
ENERPAC
ENERPAC Clevis Eye: For RC, For 25 ton, 25 ton Capacity of Attachment (MPN REB25)
ENERPAC Serrated Saddle: For RC, For 5 ton, 5 ton Capacity of Attachment, 2 in Overall Lg (MPN A18)
ENERPAC
ENERPAC Serrated Saddle: For RC, For 5 ton, 5 ton Capacity of Attachment, 2 in Overall Lg (MPN A18)
ENERPAC Cylinder Base Attachment: For RC, For 5 ton, 5 ton Capacity of Attachment (MPN A21)
ENERPAC
ENERPAC Cylinder Base Attachment: For RC, For 5 ton, 5 ton Capacity of Attachment (MPN A21)
ENERPAC Serrated Saddle: For RC, For 3 ton, 2.5 ton Capacity of Attachment, 1.25 in Overall Lg (MPN A531)
ENERPAC
ENERPAC Serrated Saddle: For RC, For 3 ton, 2.5 ton Capacity of Attachment, 1.25 in Overall Lg (MPN A531)