CASE CONSTRUCTION
OEM
Part No. 280734
Lock Washer
497 verified fitments
Select your machine to check fit
Ships fastFrom our warehouse
30-day returnsNo restocking fees
OEM guaranteedDirect from manufacturer
| Machine | Model | Years |
|---|---|---|
| Loader | TR340B | 2025 |
| Loader | TR310B | 2025 |
| Loader | TR270B | 2025 |
| Loader | TV370B | 2025 |
| Tractor | SL27 TR | — |
| Tractor | SL27 | — |
| Skid Steer | SV340B | 2025 |
| Skid Steer | SV280B | 2025 |
| Skid Steer | SR240B | 2025 |
| Skid Steer | SR210B | 2025 |
Enhance the durability of your heavy equipment with Case Construction Lock Washer #280734. Designed for optimal performance, this reliable component ensures secure fastening, reducing wear and tear in demanding environments. Perfect for maintaining your machinery’s efficiency and longevity.
Frequently asked questions
What is the part number?
The manufacturer part number is 280734.
Is this a genuine OEM part?
Yes. Southeastern Equipment stocks OEM and quality aftermarket parts for heavy equipment. Contact us if you need a specific OEM source or aftermarket option.
Where does this ship from?
Southeastern Equipment Company ships parts nationwide from our US warehouse. Orders placed before 2 PM ET typically ship same day.
- Manufacturer part number
- 280734
- Internal SKU
- IC:280734
- Brand
- CASE CONSTRUCTION
- Condition
- OEM, new
- Category
- Case Construction
- Weight
- 0.01 lb
Free pickup at any of our 17 branches across Ohio, Indiana, Michigan, and Kentucky. Select your preferred branch at checkout.
30-day no-fault returns. Bought the wrong part? Send it back for a full refund — no restocking fees, no minimums.
All 497 fitments
| Machine | Model | Years |
|---|---|---|
| Loader | TR340B | 2025 |
| Loader | TR310B | 2025 |
| Loader | TR270B | 2025 |
| Loader | TV370B | 2025 |
| Tractor | SL27 TR | — |
| Tractor | SL27 | — |
| Skid Steer | SV340B | 2025 |
| Skid Steer | SV280B | 2025 |
| Skid Steer | SR240B | 2025 |
| Skid Steer | SR210B | 2025 |
| Skid Steer | SR270B | 2025 |
| Loader | C337 | 2025 |
| Loader | C327 | 2025 |
| Loader | C330 | 2025 |
| Loader | C345 | 2025 |
| Tractor | ML27 T | — |
| Tractor | ML27 | — |
| Skid Steer | L334 | 2025 |
| Skid Steer | L328 | 2025 |
| Skid Steer | L321 | 2025 |
| Skid Steer | L320 | 2025 |
| Loader | DL550 | — |
| Loader | TR270B | — |
| Loader | TR310B | — |
| Loader | TV620B | — |
| Loader | TV450B | — |
| Loader | TV370B | — |
| Loader | TR340B | — |
| Skid Steer | SV280B | — |
| Skid Steer | SR210B | — |
| Skid Steer | SR270B | — |
| Skid Steer | SR240B | — |
| Skid Steer | SV340B | — |
| Loader | C334 | — |
| Loader | C332 | — |
| Loader | C330 | — |
| Loader | C327 | — |
| Loader | C337 | — |
| Loader | C362 | — |
| Loader | C345 | — |
| Skid Steer | L334 | — |
| Skid Steer | L328 | — |
| Skid Steer | L321 | — |
| Loader | L350A | — |
| Tractor | FARMALL 40 | — |
| Tractor | FARMALL 45 | — |
| Tractor | FARMALL 50 | — |
| Loader | C175 | — |
| Skid Steer | L170 | — |
| Skid Steer | L175 | — |
| Skid Steer | L150 | — |
| Tractor | 6610S | — |
| Tractor | 8010 | — |
| Skid Steer | LS170 | — |
| Tractor | D40 | — |
| Tractor | 1530 | — |
| Tractor | 3230 | — |
| Skid Steer | L120 | — |
| Skid Steer | L125 | — |
| Tractor | 6610 | — |
| Tractor | 7610 | — |
| Skid Steer | L160 | — |
| Tractor | 5610S | — |
| Loader | C185 | — |
| Skid Steer | L180 | — |
| Tractor | 7610S | — |
| Skid Steer | L185 | — |
| Tractor | D45 | — |
| Loader | C190 | — |
| Skid Steer | L190 | — |
| Tractor | TC40 | — |
| Backhoe | 590 | — |
| Skid Steer | LS150 | — |
| Skid Steer | LS160 | — |
| Skid Steer | LS185.B | — |
| Skid Steer | L140 | — |
| Skid Steer | LS140 | — |
| Skid Steer | LS180 | — |
| Tractor | TB80 | — |
| Tractor | TC35D | — |
| Skid Steer | LS180.B | — |
| Loader | LT185.B | — |
| Loader | LT190.B | — |
| Skid Steer | LS125 | — |
| Skid Steer | LS120 | — |
| Skid Steer | LS190.B | — |
| Tractor | D35 | — |
| Skid Steer | SL40B | — |
| Trencher | 760 | — |
| Tractor | 7810S | — |
| Skid Steer | LS190 | — |
| Tractor | 7410 | — |
| Tractor | TC45D | — |
| Tractor | TC45 | — |
| Skid Steer | LX665 | — |
| Tractor | 6810S | — |
| Tractor | TC35 | — |
| Trencher | 660 | — |
| Backhoe | 555E | — |
| Backhoe | 675E | — |
| Tractor | TC40D | — |
| Tractor | D29 | — |
| Tractor | DX29 | — |
| Tractor | DX45 | — |
| Tractor | DX40 | — |
| Tractor | DX35 | — |
| Tractor | DX33 | — |
| Tractor | 7010 | — |
| Tractor | D33 | — |
| Tractor | TS115 | — |
| Tractor | D25 | — |
| Tractor | DX25 | — |
| Tractor | 1925 | — |
| Tractor | TC29D | — |
| Tractor | TC29 | — |
| Combine | TR99 | — |
| Trencher | 860 | — |
| Tractor | 3430 | — |
| Backhoe | 555D | — |
| Tractor | 3930 | — |
| Tractor | TC33D | — |
| Combine | TR89 | — |
| Skid Steer | LX885 | — |
| Tractor | 4630 | — |
| Tractor | TC33 | — |
| Skid Steer | LX465 | — |
| Tractor | TC25 | — |
| Skid Steer | L565 | — |
| Tractor | 5640 | — |
| Tractor | 6640 | — |
| Tractor | 7740 | — |
| Tractor | 8240 | — |
| Tractor | 8340 | — |
| Tractor | 9030V | — |
| Tractor | 9030E | — |
| Tractor | TC25D | — |
| Backhoe | 575E | — |
| Backhoe | 655E | — |
| Backhoe | 675D | — |
| Backhoe | NH85TLB | — |
| Tractor | 180-90 DT | — |
| Tractor | CS16 | — |
| Skid Steer | 1840 | — |
| Tractor | 7840 | — |
| Backhoe | 575D | — |
| Backhoe | 655D | — |
| Backhoe | FT110 | — |
| Tractor | 140-90 DT | — |
| Engine | BSD442 | — |
| Engine | BSD444T | — |
| Engine | BSD444 | — |
| Tractor | 1630 | — |
| Skid Steer | LX485 | — |
| Skid Steer | LX985 | — |
| Skid Steer | LX565 | — |
| Forklift | 584E | — |
| Skid Steer | LX865 | — |
| Skid Steer | L465 | — |
| Skid Steer | L865 | — |
| Tractor | 3930NO | — |
| Tractor | 4130NO | — |
| Tractor | 4630O | — |
| Loader | FR130 | — |
| Tractor | 4130 | — |
| Tractor | 1725 | — |
| Tractor | 5030O | — |
| Tractor | 6640O | — |
| Tractor | 7740O | — |
| Tractor | 7840O | — |
| Combine | 800 | — |
| Loader | 2450 | — |
| Tractor | 160-90 DT | — |
| Tractor | 5030 | — |
| Backhoe | 580SK | — |
| Tractor | 3930H | — |
| Tractor | F100 DT | — |
| Tractor | F115 DT | — |
| Tractor | F140 DT | — |
| Tractor | F130 DT | — |
| Tractor | 5610 | — |
| Tractor | 7810 | — |
| Tractor | F130 | — |
| Engine | 4390 | — |
| Engine | 6590T | — |
| Engine | 6590 | — |
| Engine | 4390T | — |
| Tractor | 140-90 | — |
| Tractor | 180-90 | — |
| Tractor | 160-90 | — |
| Tractor | F100 | — |
| Tractor | F140 | — |
| Skid Steer | 1845C | — |
| Backhoe | 775 | — |
| Tractor | F115 | — |
| Tractor | 4630N | — |
| Tractor | 4630NO | — |
| Tractor | 3930N | — |
| Tractor | 4130N | — |
| Dozer | 1155E | — |
| Dozer | 1150E | — |
| Dozer | 1550 | — |
| Dozer | 450C | — |
| Dozer | 550E | — |
| Dozer | 855D | — |
| Dozer | 850D | — |
| Backhoe | 35WL | — |
| Backhoe | 35C WL | — |
| Backhoe | 480F LL | — |
| Backhoe | 480F | — |
| Backhoe | 580K | — |
| Tractor | 946V | — |
| Combine | TR86 | — |
| Tractor | 8630 | — |
| Tractor | 876V | — |
| Tractor | 4830O | — |
| Tractor | 4830N | — |
| Tractor | 4830 | — |
| Tractor | 8730 | — |
| Tractor | 976V | — |
| Backhoe | 655C | — |
| Tractor | 8830 | — |
| Tractor | F110 | — |
| Tractor | 846V | — |
| Tractor | F120 DT | — |
| Loader | W11B | — |
| Backhoe | 680CK | — |
| Backhoe | 780D | — |
| Backhoe | 680L | — |
| Loader | FR220 | — |
| Loader | FR160 | — |
| Tractor | 5900 | — |
| Tractor | F110 DT | — |
| Backhoe | 755B | — |
| Tractor | TW25 | — |
| Excavator | 1187C | — |
| Backhoe | 555C | — |
| Tractor | 7710 | — |
| Tractor | 1156V | — |
| Tractor | 276V | — |
| Tractor | 8530 | — |
| Tractor | 6410 | — |
| Tractor | 7610O | — |
| Tractor | F120 | — |
| Engine | 188 | — |
| Dozer | 550 | — |
| Dozer | 650 | — |
| Tractor | 5110 | — |
| Tractor | 6610O | — |
| Tractor | 6810 | — |
| Tractor | 7810O | — |
| Tractor | 7910 | — |
| Tractor | 8210 | — |
| Tractor | 130-90 DT | — |
| Tractor | 130-90 | — |
| Tractor | 115-90 DT | — |
| Tractor | 115-90 | — |
| Tractor | CS13 | — |
| Dozer | 310E | — |
| Dozer | 455C | — |
| Tractor | TW5 | — |
| Tractor | TW35 | — |
| Combine | 2000V | — |
| Tractor | 276VII | — |
| Tractor | 936V | — |
| Tractor | TW15 | — |
| Harvester | 386 | — |
| Harvester | 87 | — |
| Loader | W14B | — |
| Loader | W36 | — |
| Loader | W20C | — |
| Backhoe | 26D | — |
| Backhoe | 480E LL | — |
| Backhoe | 480E | — |
| Backhoe | 580E | — |
| Tractor | 756V | — |
| Harvester | 326 | — |
| Harvester | 375 | — |
| Harvester | 275 | — |
| Cotton Picker | 622 | — |
| Cotton Picker | 616 | — |
| Excavator | 1080B | — |
| Excavator | 1187B | — |
| Forklift | 586C | — |
| Forklift | 585E | — |
| Forklift | 585D | — |
| Forklift | 585C | — |
| Forklift | 584D | — |
| Forklift | 584C | — |
| Forklift | 586E | — |
| Forklift | 586D | — |
| Backhoe | 780C | — |
| Backhoe | 680K | — |
| Skid Steer | 1845 | — |
| Skid Steer | 1700-SERIES | — |
| Skid Steer | 1845S | — |
| Trencher | P60 | — |
| Dozer | FD20 | — |
| Tractor | 856V | — |
| Tractor | 836V | — |
| Dozer | 1455B | — |
| Dozer | 1450B | — |
| Excavator | 880D | — |
| Backhoe | 580SE | — |
| Skid Steer | 1835B | — |
| Harvester | 82-SERIES | — |
| Dozer | 1150D | — |
| Dozer | 1155D | — |
| Excavator | 1080 | — |
| Excavator | 1280B | — |
| Backhoe | 480D | — |
| Backhoe | 480LL | — |
| Trencher | SD100 | — |
| Tractor | 956V | — |
| Combine | 2000VII | — |
| Excavator | 1187 | — |
| Backhoe | 780B | — |
| Skid Steer | 1845B | — |
| Tractor | 6710 | — |
| Combine | 2000VI | — |
| Tractor | 1150V | — |
| Dozer | 1150B | — |
| Dozer | 1150C | — |
| Dozer | 850C | — |
| Dozer | 855C | — |
| Dozer | 850B | — |
| Excavator | 1280 | — |
| Excavator | 880C | — |
| Backhoe | 680H | — |
| Backhoe | 580SD | — |
| Backhoe | 580D | — |
| Dozer | 350B | — |
| Dozer | 450B | — |
| Dozer | 455B | — |
| Dozer | 500 | — |
| Excavator | 50 | — |
| Loader | W11 | — |
| Backhoe | 35 | — |
| Tractor | 234 | — |
| Excavator | 40 | — |
| Skid Steer | 1835 | — |
| Harvester | 295 | — |
| Excavator | 35 | — |
| Excavator | 980B | — |
| Backhoe | 680G | — |
| Backhoe | 780 | — |
| Harvester | 400 | — |
| Harvester | 300 | — |
| Harvester | 56-SERIES | — |
| Engine | D-301 | — |
| Engine | 207 | — |
| Dozer | 1450 | — |
| Dozer | 350 | — |
| Dozer | 450 | — |
| Excavator | 880 | — |
| Excavator | 980 | — |
| Backhoe | 480C | — |
| Backhoe | 580C | — |
| Trencher | DH5 | — |
| Combine | 715 | — |
| Backhoe | 26C | — |
| Backhoe | 480B | — |
| Backhoe | 680E | — |
| Tractor | 420 | — |
| Cotton Picker | 414 | — |
| Cotton Picker | 420 | — |
| Backhoe | 580B | — |
| Harvester | 284 | — |
| Tractor | INTERNATIONAL | — |
| Combine | 615 | — |
| Backhoe | 26S | — |
| Backhoe | 26B | — |
| Backhoe | 26 | — |
| Tractor | 26B | — |
| Harvester | 188 | — |
| Harvester | 186 | — |
| Harvester | 185 | — |
| Harvester | 296 | — |
| Harvester | 58-SERIES | — |
| Harvester | 5 | — |
| Harvester | 66-SERIES | — |
| Harvester | 96 | — |
| Tractor | 656 | — |
| Engine | D-282 | — |
| Backhoe | 320 | — |
| Tractor | 470 | — |
| Tractor | 570 | — |
| Combine | 5 | — |
| Combine | 403 | — |
| Backhoe | 33 | — |
| Tractor | 2656 | — |
| Combine | 960 | — |
| Combine | 660 | — |
| Forklift | 580 | — |
| Backhoe | 23 | — |
| Backhoe | 34 | — |
| Backhoe | 33S | — |
| Backhoe | 480CK | — |
| Backhoe | 580 | — |
| Tractor | 33 | — |
| Tractor | 530 | — |
| Harvester | 600 | — |
| Harvester | 601 | — |
| Harvester | 187 | — |
| Harvester | 90 | — |
| Harvester | 86 | — |
| Tractor | 430 | — |
| Tractor | 930-SERIES | — |
| Combine | 503 | — |
| Dozer | 310G | — |
| Tractor | 2504 | — |
| Tractor | 504 | — |
| Combine | 303 | — |
| Tractor | 2706 | — |
| Tractor | 2606 | — |
| Tractor | 606 | — |
| Tractor | 184 | — |
| Harvester | 184 | — |
| Dozer | 750 | — |
| Backhoe | 32 | — |
| Harvester | 201 | — |
| Dozer | 1000D | — |
| Backhoe | 32S | — |
| Backhoe | 430CK | — |
| Backhoe | 530CK | — |
| Dozer | 310F | — |
| Loader | W5A | — |
| Tractor | 460 | — |
| Tractor | 560 | — |
| Tractor | 660 | — |
| Tractor | 630 | — |
| Tractor | 340 | — |
| Dozer | 800 | — |
| Dozer | 1000C | — |
| Backhoe | 31 | — |
| Dozer | 420C | — |
| Tractor | 425 | — |
| Tractor | 240 | — |
| Tractor | 300B-SERIES | — |
| Tractor | 400B-SERIES | — |
| Tractor | 500B-SERIES | — |
| Tractor | 700 | — |
| Tractor | 600B-SERIES | — |
| Tractor | 900 | — |
| Tractor | 800 | — |
| Backhoe | 320B | — |
| Backhoe | 420BD | — |
| Tractor | 130 | — |
| Tractor | 350 | — |
| Tractor | 330 | — |
| Tractor | 230 | — |
| Tractor | 450-SERIES | — |
| Dozer | 600 | — |
| Backhoe | 420B | — |
| Tractor | 400-SERIES | — |
| Tractor | 600-SERIES | — |
| Tractor | 300-SERIES | — |
| Tractor | VAC11-SERIES | — |
| Tractor | 500-SERIES | — |
| Tractor | VA-SERIES | — |
| Tractor | VAI-SERIES | — |
| Tractor | VAC13-SERIES | — |
| Tractor | VAC12-SERIES | — |
| Tractor | 100 | — |
| Tractor | 200 | — |
| Tractor | 300 | — |
| Tractor | D-SERIES | — |
| Tractor | DO-SERIES | — |
| Tractor | DC-SERIES | — |
| Tractor | DV-SERIES | — |
| Tractor | SUPER A-1 | — |
| Tractor | SUPER AV-1 | — |
| Baler | 66 | — |
| Tractor | SC-SERIES | — |
| Tractor | SUPER A | — |
| Tractor | SUPER M-TA | — |
| Tractor | SUPER M | — |
| Tractor | DH-SERIES | — |
| Tractor | SUPER C | — |
| Tractor | FARMALL H | — |
| Tractor | FARMALL CUB | — |
| Tractor | FARMALL HV | — |
| Tractor | SUPER AV | — |
| Tractor | SUPER-HV | — |
| Tractor | SUPER-H | — |
| Tractor | S-SERIES | — |
| Tractor | LA-SERIES | — |
| Tractor | SO-SERIES | — |
| Tractor | FARMALL MV | — |
| Tractor | FARMALL MDV | — |
| Tractor | FARMALL MD | — |
| Tractor | FARMALL M | — |
| Tractor | FARMALL C | — |
| Tractor | FARMALL BN | — |
| Tractor | FARMALL B | — |
| Tractor | FARMALL AV | — |
| Tractor | FARMALL A | — |
| Tractor | L-SERIES | — |