Details
**BOLTS ARE SOLD INDIVIDUALLY**
Two different connecting rod and cap mating surface finishes were used and identification can be made by visual inspection. Early style connecting rods have a serrated mating surface between the cap and the rod. Middle and Late style connecting rods can be identified by smooth/machined surfaces between the cap and the rod.
Allis-Chalmers engine models: 2000 series, 3.3 and 4.9-liter series (2200, 2800, 2900, 433 & 649 types, etc.)
- Early style rods use hex-head capscrew with washer. The rod cap bolt holes have a 30 degree chamfer. Capscrew size used is .375" 24 x 2.00" long, grade 8, tighten those capscrews to 50 ft/lbs.
- Later style rods have the rod cap chamfer deleted and a new 12-point capscrew introduced. Capscrew size used is .375" - 24 x 2.00" long, grade 100, tighten those capscrews to 45 ft/lbs.
Allis-Chalmers engine models: 3000 Series, 7.0 liter series (3400, 3500, 3700, 3750 & 670 types, etc.)
- Early style rods use serrated rod caps with hexhead capscrews and washers. Capscrew size .437" 20 x 2.25" grade 8, tighten those capscrews to 85 ft/lbs.
- Middle style rods use smooth machined rod and cap mating surfaces. Socket head capscrew size .437" 20 x 2.156" long, grade 100, tighten those capscrews to 70 ft/lbs.
- Later style rods use smooth machined rod and cap mating surfaces. 12-point capscrew size .437" 20 x 2.156" long, grade 100, tighten those capscrews to 70 ft/lbs
ALL MODELS
When installing, use a light amount of engine oil on capscrew threads and on the underside of the capscrew head at the mating surface. Tighten hardware using a minimum of two incremental torque steps, three on higher torque hardware (7.0L). Non-serrated connecting rod caps MUST be aligned with the rod during installation. To do so, install hardware finger tight, use two feeler gauges between the rod/cap assembly and the side of journal to hold assembly snug to one side of journal. Tighten hardware in multiple steps and then remove feeler gauges.
Note: Do not use 12 point (mid - late) type hardware in early-serrated connecting rods with chamfered holes. Loosening of capscrews will occur. Early rods may be machined and balanced to accept later capscrews.
Allis 265 gas
Allis Chalmers 180, 190 gas
Allis 301 gas
Allis Chalmers 190XT gas
Allis 433 Diesel
Allis Chalmers 6060, 6070, 6080
Allis Chalmers Industrial HD4 Diesel
Allis 649 Diesel
Allis Chalmers 180, 185, 190, 190XT Diesel
Allis Chalmers 200, 7000, 7010, 7020, 8010
Allis Chalmers Industrial TL345B, TL545, W, 545
Allis 670 Diesel
Allis Chalmers D21, 210, 220, 7030, 7040, 7050, 7060
see AC001-TB tech. bulletin
Price is per Bolt
OEM Part Number Cross Reference(s): 74024583, 4024583, 74020142
Fitment Guide
Warranty Information
Reliance Power Parts Warranty Policy
The Reliance Power Parts (RPP) warranty policy covers parts and labor necessary to repair a warrantable failure to the functional condition of the application that existed immediately prior to the failure, as detailed below. This warranty applies to direct customers of RPP only and is non-transferable.
Coverage Periods
- New Internal Engine Parts (Ag/Industrial): 1 year from invoice date, unlimited miles/hours
- Engine Overhaul Kits (Heavy-Duty On-Highway): 2 years from invoice date, unlimited miles/hours
- New Engine Accessories: 1 year from invoice date, parts replacement only
- Remanufactured Engine Accessories: 6 months from invoice date, parts replacement only
- Remanufactured Engine & Drivetrain Parts: 6 months from invoice date, parts replacement only
- Drivetrain Parts: 1 year from invoice date, parts replacement only
- Complete Engines & New Long Blocks (Reliance Manufactured): 6 months from invoice date, parts replacement only
- Remanufactured Long/Short Blocks & New Short Blocks (Reliance Manufactured): 90 days from invoice date, parts replacement only
Engine accessories include turbochargers, fuel injectors, hydraulic pumps, engine oil pumps, oil coolers, water pumps, and electrical components.
Manufacturer's Warranty Items
To serve a wider application base, RPP offers lower volume, rare application, and remanufactured parts from a variety of manufacturers. These parts will be noted on your invoice as subject to a "Manufacturer's Warranty" policy and are not covered under this policy. Engines, long blocks, medium blocks, and short blocks produced by any company other than Reliance are solely covered by the manufacturer's warranty. Contact your Reliance representative for details.
Parts & Labor Coverage
- Parts: Covered at current customer pricing using new or remanufactured RPP approved parts
- OEM/Outside Parts: When RPP parts are available, OEM parts will be credited at RPP pricing. Parts not available from RPP will be covered at billed rate with invoice required
- Labor: Offered at RPP's discretion, not to exceed published flat-rate times and maximum regional wholesale hourly labor rate
- Holiday/Overtime Rates: Not covered
What's Not Covered
This warranty does not cover failures resulting from:
- Owner or operator abuse or neglect
- Operation without adequate coolant, fuel, or lubricants
- Over-fueling or over-speeding
- Lack of maintenance of lubricating, coolant, or air intake systems
- Improper storage, starting, warm-up, run-in, or shut-down practices
Coverage does not include:
- Troubleshooting or diagnostic time
- Towing, transport, or down-time
- Rental fees or incidentals
- Delivery charges, travel, meals, or lodging
- Business losses, docking, or harbor charges
Responsibilities
- Installer: Ensure parts are correct for the application and install according to OEM procedures, specifications, and accepted industry standards
- Owner: Operate and maintain equipment as specified in OEM operation and maintenance manuals
How to File a Claim
- RPP must be notified prior to the end of the warranty period
- All warranty repairs must be authorized by RPP technical staff
- Request a Warranty Claim Form for the return of parts
- Return all claimed parts to the indicated location within 30 days of receiving a Return Merchandise Authorization
- Include failed parts, completed Warranty Claim Form, and copies of related work orders or invoices
- Ship parts freight pre-paid in a condition that makes examination possible
- Parts received without a Warranty Claim Form will be returned freight collect
Important Notes
- Professional Installation Required: We strongly recommend installation by a qualified technician to ensure proper break-in and operation
- Keep Your Records: Retain your invoice and service records for warranty claims
- Questions?: If you're unsure about coverage or need assistance, please contact us
The warranties set forth herein are the sole warranties made by RPP regarding its parts. RPP makes no other warranties, expressed or implied, of merchantability or fitness for a particular purpose.
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All specifications and numbers are provided for reference only and should be independently verified before use. While we guarantee our parts match their descriptions and accept returns for any discrepancies, we cannot be held liable for installation costs, modifications, or consequential damages. Questions about compatibility? Contact our parts experts at 800-828-6943, sales@dieselcranks.com, or via live chat, Mon-Fri 8am-5pm EST.