Caterpillar 311B Excavator Parts
New Aftermarket, Used and Rebuilt 311B Parts
Looking for Caterpillar 311B Excavator parts? You've come to the right place. We sell a wide range of new aftermarket, used and rebuilt 311B replacement parts to get your machine back up and running quickly. Give us a call, submit an online quote request or select a category below to browse/select a part.
OR call 1-800-255-6253
Prices shown are estimates and will vary depending on condition and availability.
Attachments
Booms and Sticks
Cabs
Engines
Final Drives
Hydraulic Cylinders
Hydraulic Pumps
Swing Machinery
Undercarriages
Other-
18" Bucket Cat Excavator 120 Size 311B Attachments
PV532
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24" Bucket Cat Excavator 311B Attachments
PV533
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42" Bucket 311B Attachments
PV538
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60" Ditch Bucket 311B Attachments
PV535
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Arm/Crowd/Dipper Cylinder 311B Hydraulic Cylinders
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Bearing Kit 311B Engines
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Bearings 311B Final Drives
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Bell Housing 311B Engines
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Boom 311B Booms and Sticks
120-7202
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Boom Cylinder 311B Hydraulic Cylinders
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Boom Cylinder LH 311B Booms and Sticks
119-5416
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Boom Cylinder RH 311B Booms and Sticks
119-5418
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Bottom Roller 311B Undercarriages
151-9747, 4I7346
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Bucket Cylinder 311B Hydraulic Cylinders
119-5414
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Bucket Link 311B Booms and Sticks
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Bushing 311B Other
143-3835
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Bushing 311B Other
189-3869
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Bushing 311B Other
229-1091
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Bushing 311B Other
229-1095
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Bushings 311B Booms and Sticks
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Cab Shell 311B Cabs
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Center Joint 311B Other
4I-7603
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Chain Guide 311B Undercarriages
996528
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Complete Cab with Interior 311B Cabs
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Complete Engine 311B Engines
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Complete Final Drive (Planetary/Travel Drive) with Motor 311B Final Drives
4I7333, 114-1527
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Coupler 311B Attachments
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Crankshaft 311B Engines
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Cutting Edge 311B Attachments
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Cylinder Head 311B Engines
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Cylinder Packing Kits 311B Hydraulic Cylinders
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Decal Set 311B Other
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Digging Bucket 311B Attachments
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Ditching Bucket 311B Attachments
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Dog Bone 311B Booms and Sticks
099-0722, 099-0723
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Dogbone RH 311B Booms and Sticks
134-8863, 194-9829SUB
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Drive Motor ONLY 311B Final Drives
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Engine Compartment Door LH with Latch and Hinge 311B Engines
116-8441
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Engine Compartment Door RH with Latch and Hinge 311B Engines
116-8444
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Engine Hood 311B Engines
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Final Drive (Planetary/Travel Drive) without Motor 311B Final Drives
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Floating Face Seal 311B Final Drives
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H-Link 311B Booms and Sticks
168-0015
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Hardware 311B Undercarriages
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Hydraulic Kit 311B Attachments
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Hydraulic Oil Cooler 311B Engines
5I-8132
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Idler 311B Undercarriages
4I-7337, 4I-7336
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Idler Group 311B Undercarriages
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Injector 311B Engines
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Link LH with Bolt Hole 311B Other
198-5736
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Link RH 311B Other
198-5737
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Long Block 311B Engines
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Main Control Valve 311B Other
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Main Hydraulic Pump 311B Hydraulic Pumps
118-9884, 129-7968
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O-Ring 311B Other
093-1342
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Other 311B Other
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Other Attachments 311B Attachments
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Other Booms and Sticks 311B Booms and Sticks
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Other Cabs 311B Cabs
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Other Engines 311B Engines
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Other Final Drives 311B Final Drives
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Other Hydraulic Cylinders 311B Hydraulic Cylinders
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Other Hydraulic Pumps 311B Hydraulic Pumps
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Other Swing Machinery 311B Swing Machinery
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Other Undercarriages 311B Undercarriages
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Overhaul Kit 311B Engines
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Pilot Pump 311B Hydraulic Pumps
4I1023
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Pin 311B Other
144-1012
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Pin 311B Other
144-1013
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Pins 311B Booms and Sticks
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Planetary Gears 311B Final Drives
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Radiator 311B Engines
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Recoil Spring Assembly 311B Undercarriages
4I-7342, 4I7342
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Ripper 311B Attachments
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ROPS 311B Cabs
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Seal 311B Other
093-1433
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Seal 311B Other
096-0131, 096-0854, 1K7983, 1M8746, 2D5652, 2H3918, 2P8423, 3J8445, 4F2936, 4J5918, 4K8172, 5P5299, 5X9402, 6S3285, 6V6838, 8C5168, 8L4939, 9H6480, 9W7216, 9W7220, 9X4597, 248-7836
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Seal Kit 311B Other
900408
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Seat 311B Cabs
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Shaft 311B Final Drives
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Short Block 311B Engines
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Sprocket 311B Undercarriages
4I-7472, CR6358
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Stick 311B Booms and Sticks
4I-6911
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Stick / Dipper Arm 311B Booms and Sticks
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Stick Cylinder 311B Booms and Sticks
119-5419
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Swing Bearing / Turntable / Slewing Ring 311B Swing Machinery
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Swing Bearing Assembly 311B Swing Machinery
6I-6410, 1362884
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Swing Drive with Motor 311B Swing Machinery
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Swing Drive without Motor 311B Swing Machinery
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Swing Motor 311B Swing Machinery
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Thumb 311B Attachments
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Top Roller 311B Undercarriages
4I-7345
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Track Adjuster Assembly 311B Undercarriages
4I7338, 168-6648
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Track Adjuster Cylinder 311B Undercarriages
1R6322, 3843463
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Track Adjuster Seal Kit 311B Undercarriages
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Track Adjuster Yoke 311B Undercarriages
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Track Chain / Rail 311B Undercarriages
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Track Frame 311B Undercarriages
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Track Grouser Pad / Shoe 311B Undercarriages
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Track Guard 311B Undercarriages
120-7199
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Track Guide 311B Undercarriages
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Track Set 311B Undercarriages
176-4874
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Turbo Charger 311B Engines
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Valve Body 311B Other
121-1386
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Give us a call today
Parts specialists are available from 8 am to 5:30 pm EST. Give us a call to discuss how we can help you.
1-800-255-6253
A company worth talking about
Steve Boney Mcclure and Sons
- “Good people to work with. Fast Responsive Service.
Mark Spradling
- “This is the place to contact for all of your construction part needs. They have a very helpful staff and will look out for your best interest...
Dave Rose
- “AMS has found heavy equipment parts for me on several occasions. I have found their service and pricing excellent. I would highly recommend them!
Rick Hillis
- “My experience with AMS has been a pleasure, they have been more than helpful and I am looking forward to further purchases.
Myra Smith
- “AMS has found our company both new and used CAT, John Deere and Komatsu parts quickly, while saving me lots of money!
Dustin Ferguson
- “I highly recommend AMS for your construction part needs. Their professionalism is second to none. They are helpful and trustworthy...
Todd J. Kassal
- “They have provided me with quality parts and service for three years without any part failures...and always at the lowest market price.
Geoff
- “Many thanks to AMS for going the extra mile and providing a friendly, consistent and all around fantastic service.
Jason Duffin
- “Saved us a ton of money on parts! Even if they don't know the product line they helped me find a solution.
Wendy Buck
- “AMS is a wonderful resource for rebuilt motors. Their sales staff is knowledgeable, helpful and very prompt. They also have the best prices around!
Said Ibikounle
- “For the past four years i have been a very happy client of AMS construction. What i like the most about this company is the way they handle orders and everything is delivered on time.
