AR2018 Tractor Radiator 3 Row For Ford 9N 2N 8N Models OEM 8N8005 86551430. 4 Row Aluminum Radiator FOR Bobcat Skid Steer 645 743 743B/DS OE 6648820 6630186. Pls check the item pictures and size to get the suitable items. 1 x Track Roller. For John Deere 35G Excavator Undercarriage. Bottom Roller Weight: 13.23 pounds. Package Dimensions: 5.51″X5.51″X8.26. Item Package Quantity: 1x Bottom Roller. Material: 50 MnB Steel. Surface Hardness: HRC52-58, Deepth:5mm-10mm. Technique: Forging and Casting. Wheel body: material 50 Mn, hardening hardness HRC 25-28, CASE hardening hardness HRC 52-56, hardening thickness 5-8mm. Side cover: QT 450-10, strength as follows: tensile strength ob (MPa): 2450 yield strength 00.2 (MPa): 2310 hardness: 160 210 hb. Roller: 45 # carbon steel or 40 Cr. Quenching of HRC25-30 and surface quenching of HRC 52-58. Hardening depth of 2-3mm. Lock pin 65 Mn or 45 carbon steel, hardness HRC 25-28. Bolts, grade 12.9, HRC 45-52. Operating temperature range-20? To 110? . Package size and weight, weight is uniform in the pound ster. This bottom roller is a durable undercarriage replacement part for your excavator. Our rollers utilize special high strength-hardened steel and quality seal groups that provide excellent lubricating oil retention. Sealed bearings stop dirt, mud, and grime from penetrating inner components. It was designed and manufactured to exact OEM specifications using a high-quality, high-strength steel. It will provide long-lasting and dependable performance even if you operate in the most extreme conditions. Please make sure it will fit your machine before purchasing it. If you are not 100% sure this is what you need, please find out your engine model, series number and contact our Customer-service. Communication is the best way to solve the problem. Continue to bring better product. We have our own production line and more than 20 years of mature production experience. Items include automobile / truck radiators, ATV radiators, intercoolers. Wheel spacers, overflow tank, exhaust pipe hose, silicone hoses, etc. We will very appreciate if u can. Thank you for choosing us. Hope u have a great day. Please verify that this address is the correct one you wish to have your package sent to. It mainly sells all kinds of automobile / truck radiators, ATV radiators, Intercoolers, pipe kits,, silicone hoses, overflow tanks, etc. We sell auto parts of various models, such as Ford, Chevrolet, Dodge, Jeep, Land Rover, GMC, Nissan, etc. F you are not sure whether the products are suitable, you can communicate with us. In addition, feedback is very important to us. If you are satisfied with our service, please give us confirmation and thank you.