Shopping Cart
Shop Now...
R/C Hobby Products
Additional Hobby Products
Shop by Brand Easy Pay Shop for Parts
New Items
Special Sales
  Electric Motors, Engines & Accessories > Components - R/C Engine > Crankcases - R/C Engine [View Top Sellers for this Category] Bookmark this Page

O.S. - OSMG4277 OSM25701000 25701000 531028140073 4531028140073
Manufacturer Stock#
A Closer Look at This Product
  Tech Notes

Parts Compatibility

Browse O.S.

O.S. Crankcase 55AX
Save $4.00! Save $4.00 off Your $40 Order!
Place at least a $40 order for a limited time and we'll take $4.00 off the total! All you have to do to claim your savings is click on coupon code 016V1 and it will be placed in your shopping cart.

O.S. Crankcase 55AX
View Larger Picture

Parts Saver Eligible:Yes

Stock Number
Retail Price
Tower's Low Price
Stock Status
In Stock
Buy Now
Add to wish list
—— Share ——
Share on Twitter
Share on Pinterest Email This Page To A Friend

Quantity Discount
  Special Savings When Buying in Quantities
Special Stock Number Units at this Price Tower's Low Price Click to Order Quantity Discount Savings
O.S. Crankcase 55AX Add to Wish List
106.94  Buy Now 5.04  
O.S. Crankcase 55AX Add to Wish List
159.57  Buy Now 8.40  
O.S. Crankcase 55AX Add to Wish List
264.55  Buy Now 15.40  

Tech Notes
     This is the Crankcase for the O.S. Max .55 AX ABL Aircraft Engine.

FEATURES: Same mounting dimensions as the O.S. Max .46 AX Aluminum construction

INCLUDES: O.S. Max 55 AX ABL Aircraft Engine Crankcase

REQUIRES: Installing all engine components into and on crankcase

SPECS: Displacement: 0.545 cu in (8.93cc) Width including mounting tabs: 2" (51mm) Width not including mounting tabs: 1.4" (35mm) Width between mounting holes same side: 0.69" (17.5mm) Width between mounting holes opposite side: 1.7" (44mm)"

rmb 01-24-07 ir/jxs

– If you need more information, use these O.S. resources –
Web Site:
Phone: 217-398-8970
  Postal Address:

Click here for Units of Measure Conversion Calculators

Parts Compatibility
Parts Compatibility for O.S. Crankcase 55AX
This item is a replacement part for the following:
 LXNMD1 O.S. 55AX ABL w/Muffler  (Parts List)
 LXCRTR O.S. 55AX ABL Engine  (Parts List)

Tower Hobbies Has Been Serving Hobbyists Since 1971   •   Call 800-637-6050 or 217-398-3636
BizRate Customer Certified (GOLD) Site Shop Now Using PayPal
We accept the following:

Unauthorized use of any materials presented here is prohibited. Copying or reproducing any elements from this page is not permitted. All prices, descriptions and availability subject to change. Displayed within some areas of our web site, the Retail Price is suggested by the manufacturer or supplier, or estimated in keeping with standard industry practice. It may not represent the prevailing price in your area or a price that Tower Hobbies has ever offered for the item.
Follow Tower Hobbies On