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Dual-Guard Oil Hub Cap

Grease Hub Cap  
Scroll down for item description, specification and cross reference chart, and installation instructions. 

Grease Hub Caps               

Part #

Photos

Description

Price

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283-G (new number)

DG-5/6G (old number)

Part Number 283-G Dual Dynamics Bolt on Grease Hub Cap  

5 & 6 Bolt Grease Hub Cap

$11.60

255-G (new number)

DG-7.5G (old number)

  255-G 6 Bolt Hole Grease Hub Cap

6 Bolt Grease Hub Cap

$10.33

275-G (new number)

DG-PG (old number)

  275-G Screw in Grease Hub Cap by Dual Dynamics Rhen Marshall Inc

Threaded Grease Hub Cap

$14.00

201-GN (new number)

DG-6GN (old number)

 

6 Bolt Grease Hub Cap

$8.33

256-GN (new number) DG-7.5GN (old number)

 

6 Bolt Grease Hub Cap

$10.33

274-GN (new number) DG-PGN (old number)

 

Threaded Grease Hub Cap

$14.00

301-G (new number) DG-6F4.5G(old number)

  [IMAGE]

6 Bolt Grease Hub Cap

$9.26

304-G (new number)

DG-6FG (old number)

 

6 Bolt Grease Hub Cap

$11.13

202-GC (new number) DG-6GC (old number)

 

6 Bolt Grease Hub Cap

$25.95

304-GC (new number)

DG-6FGC (old number)

 

6 Bolt Grease Hub Cap

$25.95

275-GC (new number) DG-PGC (old number)

 

Threaded Grease Hub Cap

$25.95

255-GC (new number) DG-7.5GC (old number)

 

6 Bolt Grease Hub Cap

$25.95

Features and Benefits:

General

bullet Dual Dynamics pioneered the field with the grease hub cap, making the first and the best.
bullet Original design vents and resists contamination.
Aluminum Construction
bullet Lightweight, strong, durable, non-corrosive and weather-resistant.
bullet Allows for rapid heat dissipation.
bullet Solid one-piece construction WILL NOT BREAK... we guarantee it.
bullet Tamper-proof design eliminates costly mistakes of putting oil in grease wheel-end applications.
Mounting Gaskets
bullet Highly crush-resistant at high flange pressures.
bullet Gaskets have a FULLY CURED nitride binder which will withstand wheel-end temperatures up to 350 degrees.
Patented Venting System
bullet Allows for two-way air movement while protecting the wheel end from outside contaminants.
bullet Designed to relieve wheel-end pressure and vacuum buildup.
bullet Provides excellent protection from water-filled loading docks and high-pressure sprayers.
bullet Patented cover protects sintered bronze vent from becoming contaminated with grease from inside the wheel end.
bullet Sintered bronze vent is nickel plated for exceptional corrosion resistance.
Dual Dynamics

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  Grease Hub Cap Specification and Cross Reference Chart

PART NUMBER NO. OF BOLTS HOLE SIZE BOLT CIRCLE I.D. (B) O.D. (A) MAX AXLE EXTD. (C) HEIGHT (D) CROSS REFERENCE STEMCO CROSS REFERENCE CR
202-G
283-G
255-G
275-G
6
5 and 6
6
Threaded
0.37
0.34
0.37
N/A
5.5
5.5
6.75
N/A
4.43
4.37
5.45
5.63
6.25
6.25
7.5
6.43
2.17
1.68
2.12
1.6
2.66
2.25
2.57
3.05
342-4009
342-4013
342-4195
342-4075
1343
1362
1399
1382
201-GN
256-GN
274-GN
6
6
Threaded
0.37
0.37
N/A
5.5
6.75
N/A
4.43
5.45
5.63
6.25
7.5
6.43
2.12
2.11
1.6
2.66
2.57
3.05
----
----
----
1640
1697
----
301-G
304-G
202-GC
304-GC
6
6
6
6
0.34
0.34
0.37
0.34
4.5
5.5
5.5
5.5
3.5
4.37
4.43
4.37
5.25
6.25
6.25
6.25
2
1.68
2.17
1.68
2.33
2.23
2.66
2.23
342-4024
342-4046
----
----
1311
1343
----
----
275-GC
255-GC
Threaded
6
N/A
0.37
N/A
6.75
5.63
5.45
6.43
7.5
1.6
2.12
3.05
2.57
----
----
----
----
301-GC 6 0.34 4.5 3.5 5.25 2 2.33 ---- ----
 

Specifications

Cut Away Cad Drawing

Installation & Maintenance Instructions

Bolt-on hub caps:

All surface areas should be clean. Once hub cap and gasket are bolted into place, torque bolts in a crisscross order to 15-20 ft-lb.
Screw-on hub caps:
All surface areas should be clean. Lubricate O-ring seal with gear lube currently being used in the hub cap. Screw on and tighten to 60 ft-lb.
Dual Dynamics Dual Dynamics, Inc. warrants the Dual-Guard System to be free from defects in materials and workmanship, and free from leakage for the life of the product. Complete warranty information is included with each product.
 

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We carry the full line of products by DUAL-DYNAMICS , including CrossFire dual tire pressure equalization systems, Grease Hubs, Load Locks and more.   For other products, call us at 1-800-367-1253 or e-mail us.

 

 

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