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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19
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Description
Heavy-Duty Tension Cylinder 7Y-1780 for Caterpillar ExcavatorsReplacement part number: 7Y 1780 Appilication: Models: 311 311B 311C 312 312B 312B L 313B E110B E120B Engine: 3046,054,C4. 2,3116,3066 See Details: 311 C U SUPPLEMENT FOR EXCAVATOR LOW GROUND PRESSURE CKE01900 UP (MACHINE) 311B SUPPLEMENT FOR TRACK TYPE EXCAVATOR 8GR00001 UP (MACHINE) 312 Excavator Custom Attachments 6BL00001 UP (MACHINE) 312B SUPPLEMENT FOR TRACK TYPE EXCAVATOR LOW GROUND PRESSURE 9GR00001 UP (MACHINE) 315 315L TRACK TYPE EXCAVATOR
Replacement part number:
7Y-1780Appilication:
Models:311 311B 311C 312 312B 312B L 313B E110B E120B
Engine:3046,054,C4.2,3116,3066
See Details:
311 C U SUPPLEMENT FOR EXCAVATOR /LOW GROUND PRESSURE/ CKE01900-UP (MACHINE)
311B SUPPLEMENT FOR TRACK-TYPE EXCAVATOR 8GR00001-UP (MACHINE)
312 Excavator Custom Attachments 6BL00001-UP (MACHINE)
312B SUPPLEMENT FOR TRACK-TYPE EXCAVATOR /LOW GROUND PRESSURE/ 9GR00001-UP (MACHINE)
315 315L TRACK-TYPE EXCAVATOR 4YM00001-UP (MACHINE) POWERED BY 3046 ENGINE
315 Excavator 3ZM00001-UP (MACHINE) POWERED BY 3054 Engine
315B & 315B L TRACK-TYPE EXCAVATORS 1SW00001-UP (MACHINE) POWERED BY 3046 ENGINE
315B L Excavator 5SW00001-UP (MACHINE) POWERED BY 3054 Engine
315C & 315C L Excavators AKE00001-UP (MACHINE) POWERED BY 3046 Engine
315C & 315C L Excavators CFB00001-UP (MACHINE) POWERED BY 3046 Engine
315C L Excavator ANF00001-UP (MACHINE) POWERED BY 3054 Engine
315D L Excavator CJN00001-UP (MACHINE) POWERED BY C4.2 Engine
315D L Excavator KBD00001-UP (MACHINE) POWERED BY C4.2 Engine
317 & 317N Excavators 4MM00001-UP (MACHINE) POWERED BY 3054 Engine
320, 320 L, 320 N AND 320 S EXCAVATORS 3XK00822-UP (MACHINE) POWERED BY 3116 ENGINE
320, 320L & 320N EXCAVATORS 3XK00001-00821 (MACHINE)
320, 320L TRACK-TYPE EXCAVATORS 1KL00001-UP (MACHINE) POWERED BY 3066 ENGINE
330 CIPI Excavator Track Systems L5E00001-UP (MACHINE)
CIPI Undercarriages L5E00001-UP (MACHINE)
CIPI Undercarriages L5E00001-UP (MACHINE)
SUPPLEMENT FOR 311 TRACK-TYPE EXCAVATOR /LOW GROUND PRESSURE/ 9LJ00262-UP (MACHINE)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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4.5 ★★★★★
Based on 1987 reviews
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Product Reviews
★★★★★ 4
Overpriced but effective.
Color: Cream
I happened to get lucky and get a warehouse deal at an additional 30% discount. Even at $25, it feels a little overpriced. But it was easy to assemble and serves its purpose. If you line the Velcro up exactly, the panels sag, if you stretch past even, but where it still grips, they look pretty ok. It is very light and does fold very compact for easy storage.
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Reviewed in the United States on April 3, 2026
★★★★★ 5
Great price for a great product
Color: Coal Black
Excellent quality and great price to boot. Easy to assemble and folds up easily to be stored. We are using it as a privacy screen when we have company that needs to sleep on the couch and also to block off a hallway leading to a guest suite. It looks great and is as described in the ad
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Reviewed in the United States on December 16, 2025
★★★★★ 1
No.
Color: Coal Black, Color: Coal Black
This was horribly made and a nightmare to put together. You have to basically bend the bars to get the coverings attached. The sizes don't match. The stickers that label the parts are impossible to remove and if you do get them off theres a lot of residue left behind. On top of that once it was put together I noticed theres a big dirty foot print on it which is definitely not mine.
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Reviewed in the United States on January 5, 2026
★★★★★ 3
You have to add weight to it
Color: Coal Black
It does its job and it was easy to put together but it's a little on the flimsy side and it will easily be knocked down. So you're going to have to figure out a way to make the legs heavier? I used cinder blocks, single cinder blocks and it works just fine. Just know that it will knock over super easy
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Reviewed in the United States on January 22, 2026
★★★★★ 5
The snap to put them together.
Color: Coal Black
This came in handy in the foyer. I didn’t want to see the door from my couch. I must be weak found it hard to snap them together. I kept 2 my daughter took the other 2.
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Reviewed in the United States on May 19, 2026