Miller

Miller 4Z655B 4" Bore 4" Stroke Hydraulic Cylinder

Reliable Hydraulic Power for Industrial Applications The Miller 4Z655B is a robust hydraulic cylinder designed for demanding industrial applications. With a double-acting tie rod design, 4-inch bore, and 4-inch stroke, it provides reliable and consistent performance. Built to NFPA and JIC standar...

$163.00*$1,632.66Save 90%
Check availability

*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Reliable Hydraulic Power for Industrial Applications

The Miller 4Z655B is a robust hydraulic cylinder designed for demanding industrial applications. With a double-acting tie rod design, 4-inch bore, and 4-inch stroke, it provides reliable and consistent performance. Built to NFPA and JIC standards, this cylinder is constructed with high-quality materials for long-lasting durability.

Specifications:

  • Type: Hydraulic Cylinder, Double Acting Tie Rod
  • Bore Diameter: 4 In
  • Stroke: 4 In
  • Rod Diameter: 1-3/4 In
  • Retract: 13-5/8 In
  • NPT Port: 3/4 In
  • Max Pressure: 2500 PSI
  • Temperature Range: 20 to 160
  • Piston Material: Urethane
  • Piston Rod: Case Hardened and Hard Chrome Plated
  • Ring Material: Cast Iron
  • Tubes: Steel
  • Standards: NFPA and JIC
  • Finish: Black

Key Features

Price For: Each Dimension K (In.): - Dimension L1: - Max. Pressure (PSI): 2500 Material: Steel Dimension H (In.): - Dimension N (In.): - Dimension L (In.): - Dimension O: - Inlet SAE (In.): - Item: Hydraulic Cylinder Type: Double Acting Tie Rod Dimension D (In.): - Includes: - Dimension Lb (In.): 6-5/8 Dimension P (In.): 3-3/4 Dimension C (In.): 3/4

Dimension Kk (In.): 1 1/4-12 Temp. Range: 20 to 160 Dimension Zj (In.): 7-5/8 Dimension B (In.): 2-3/8 Dimension Ee (In.): 3/4 Stroke (In.): 4 Wear Band: Durable, Non-metallic Dimension A (In.): 2 Ring Material: Cast Iron Rod Dia. (In.): 1-3/4 Tubes: Steel Bore Dia. (In.): 4 Bushing: Pilot NPT Port (In.): 3/4 Rod Seal: Single, Bi-directional Dynamic Standards: NFPA and JIC

Piston Seal: Pre-loaded Retract (In.): 13-5/8 Finish: Black Piston Material: Urethane Port Size (NPT): 3/4" Dimension J (In.): 1-3/4 Tie Rods: High Strength Dimension Y (In.): 3 Dimension G (In.): 2 Piston Rod: Case Hardened and Hard Chrome Plated Dimension W (In.): 1 Dimension F (In.): 7/8 Dimension Mm (In.): 1-3/4 Dimension V (In.): 1/4 Dimension E (In.): 5

Specifications

Brand
Miller
Item Type
Hydraulic Cylinder
Cylinder Type
Double Acting Tie Rod
Bore Diameter
4 Inches
Stroke
4 Inches
Maximum Pressure
2500 PSI
Material
Steel
Piston Material
Urethane
Piston Rod Material
Case Hardened and Hard Chrome Plated
Rod Seal
Single, Bi-directional Dynamic
Piston Seal
Pre-loaded
Wear Band
Durable, Non-metallic
Ring Material
Cast Iron
Bushing
Pilot
NPT Port Size
3/4 Inches
Inlet SAE
N/A
Rod Diameter
1-3/4 Inches
Retract Length
13-5/8 Inches
Temperature Range
20 to 160 Degrees
Finish
Black
Standards
NFPA and JIC
Dimension A
2 Inches
Dimension B
2-3/8 Inches
Dimension C
3/4 Inches
Dimension D
N/A
Dimension E
5 Inches
Dimension Ee
3/4 Inches
Dimension F
7/8 Inches
Dimension G
2 Inches
Dimension H
N/A
Dimension J
1-3/4 Inches
Dimension Kk
1 1/4-12 Inches
Dimension Lb
6-5/8 Inches
Dimension Mm
1-3/4 Inches
Dimension P
3-3/4 Inches
Dimension V
1/4 Inches
Dimension W
1 Inch
Dimension Y
3 Inches
Dimension Zj
7-5/8 Inches

Pros & Cons

👍 Pros

  • Constructed from steel, indicating robust durability for demanding industrial applications.
  • Features a 4-inch bore and 4-inch stroke, delivering specific power and movement for hydraulic systems.
  • Designed as a double-acting tie rod cylinder, providing force in both extension and retraction strokes.
  • Capable of withstanding a maximum pressure of 2500 PSI, suitable for high-pressure hydraulic operations.
  • Includes a case-hardened and hard chrome-plated piston rod for enhanced resistance to wear and corrosion.

👎 Cons

  • The operating temperature range is limited to 20 to 160 degrees Fahrenheit, which may restrict use in extreme environments.
  • Specific dimensions for mounting or overall length (Dimension K, L1, L, O) are not provided, requiring further measurement or inquiry.
  • The product details a non-metallic wear band, which while durable, may not be suitable for all specific applications compared to metallic alternatives.
  • Only offers a 3/4" NPT port size, which may require adapters for different system connections.
  • The finish is described as black, but details on its protective qualities or paint type are not specified.

Frequently Asked Questions

This Miller hydraulic cylinder features a 4-inch bore and a 4-inch stroke, providing specific force and travel distance.
The cylinder is designed to operate at a maximum pressure of 2500 PSI, making it suitable for robust hydraulic applications.
Yes, the piston rod is case hardened and hard chrome plated, enhancing its durability and resistance to wear and corrosion.
The hydraulic cylinder is constructed from steel, contributing to its overall strength and industrial longevity.
This cylinder has a specified operating temperature range of 20 to 160 degrees Fahrenheit.
Yes, it is a double-acting tie rod type, meaning it provides force during both the extension and retraction phases.
The NPT port size on this cylinder is 3/4 inch, facilitating connection to hydraulic lines.