Uploaded August 2013 | Updated September 2026, 3 weeks ago
I review the IS-4 (aka IS4), the beefier of the two tier 10 Soviet heavy tanks in World of Tanks (WoT).
While the IS-4 has good overall armor, the front hull has a large weak spot, the Lower Front Glacis (LFG). The LFG of the IS-4 has effective armor of 209mm, which can be penetrated easily by most tier 9-10 tanks.
Due to the thickness of the IS-4's side hull armor (160mm), you can angle the hull 35° to protect the LFG.
Note that when angling, you do decrease the effective armor of the Upper Front Side Hull (UFSH). Therefore, you'll want to wiggle back and forth to protect the UFSH, as I did against the Foch TD's 3rd shot.
This video is part of my series of WoT tank review, guide, and gameplay videos. Up next: the VK 36.01 (H).
Please post your questions and feedback.
For more info about this video, including the effective armor images, please see the article on my blog:
taugrim.com/2013/08/06/world-of-tanks-video-is-4-ace-tanker-mastery
For more info on angling and weak spots, check out my guides:
- Weak Spots Guide: taugrim.com/2013/05/31/world-of-tanks-weak-spots-guide
- Angling Guide: taugrim.com/2013/04/27/guide-to-angling-in-world-of-tanks
Source for the WoT IS4 effective armor values used in this video:
wotguru.com/weak-spots-guide-is-4
Cheers,
Taugrim
YouTube: youtube.com/taugrimtv
Twitter: twitter.com/taugrim
Facebook: facebook.com/taugrim
I review the IS-4 (aka IS4), the beefier of the two tier 10 Soviet heavy tanks in World of Tanks (WoT).
While the IS-4 has good overall armor, the front hull has a large weak spot, the Lower Front Glacis (LFG). The LFG of the IS-4 has effective armor of 209mm, which can be penetrated easily by most tier 9-10 tanks.
Due to the thickness of the IS-4's side hull armor (160mm), you can angle the hull 35° to protect the LFG.
Note that when angling, you do decrease the effective armor of the Upper Front Side Hull (UFSH). Therefore, you'll want to wiggle back and forth to protect the UFSH, as I did against the Foch TD's 3rd shot.
This video is part of my series of WoT tank review, guide, and gameplay videos. Up next: the VK 36.01 (H).
Please post your questions and feedback.
For more info about this video, including the effective armor images, please see the article on my blog:
taugrim.com/2013/08/06/world-of-tanks-video-is-4-ace-tanker-mastery
For more info on angling and weak spots, check out my guides:
- Weak Spots Guide: taugrim.com/2013/05/31/world-of-tanks-weak-spots-guide
- Angling Guide: taugrim.com/2013/04/27/guide-to-angling-in-world-of-tanks
Source for the WoT IS4 effective armor values used in this video:
wotguru.com/weak-spots-guide-is-4
Cheers,
Taugrim
YouTube: youtube.com/taugrimtv
Twitter: twitter.com/taugrim
Facebook: facebook.com/taugrim
