BO7 Machine of War Event: Fastest Fuel Can Farm Guide

The BO7 Machine of War event is a collection-style grind: you kill things, pick up glowing green Fuel Cans, and trade them at the event page for a 20-reward track that ends in the free Mammoth LMG and the animated Soul Eater camo. No XP bar, no fixed challenge list — just cans in, rewards out. The Machine of War Event in Black Ops 7 and Warzone Season 5 is a limited-time collection event where you obtain Fuel Cans while playing and exchange them for rewards, including the new Mammoth LMG and the animated Soul Eater mastery camo usable across BO7 and Warzone.

The catch is the deadline. The event runs for two weeks, ending on August 13, 2026. That's a lot of eliminations packed into a short window, and if you'd rather not sink your evenings into can-farming, our BO7 bot lobbiesfrom $2.56 let you rack up eliminations against light resistance so cans pile up in a fraction of the time. First, the actual game plan.

How the event works: it's a slot machine, not a ladder

Verdict: understand the pool structure or you'll waste cans. Rewards are split into three Fuel Can tiers: 10 Fuel Cans, 15 Fuel Cans, and 25 Fuel Cans. Each exchange pulls a random remaining item from whichever tier you spend in. You do not select the exact reward you receive from a pool — each exchange produces one of the remaining eligible items at that price level, which means the Mammoth LMG may not be the first 25-can reward you obtain.

The cheap pulls are mostly filler. Machine of War contains three randomized reward groups — lower-cost pulls primarily contain XP tokens and smaller customization items, while the 25-can pool includes the event's most desirable cosmetics, finishing move, Operator skin, and the Mammoth LMG.

Here's the honest bit nobody selling you a shortcut will lead with: Activision has not published the exact drop rates or the total Fuel Can cost of the Mammoth, so treat every "fastest method" video as an educated guess. Community trackers estimate the structure below, but the aggregate total is unconfirmed.

Tier	Cost per pull	What's inside	Priority
10 Fuel Cans	10	XP tokens, small cosmetics, charms	Low (but needed for Soul Eater)
15 Fuel Cans	15	Loading screen, mix of tokens + permanent cosmetics	Medium
25 Fuel Cans	25	Mammoth LMG, Operator skin, finishing move, top camos	High

The track has 20 free rewards split across three cost tiers; community tracking estimates roughly 350 Fuel Cans for a full clear, though Activision has not confirmed the aggregate.

The Soul Eater camo demands a full clear

Verdict: you can't cherry-pick your way to it. The Soul Eater is the Machine of War mastery reward — to unlock it you must collect all 20 event rewards, and once everything is claimed you automatically receive the Soul Eater universal animated weapon camo. That means even the throwaway XP tokens in the 10-can tier are mandatory. Because it is the completion reward, players cannot skip unwanted stickers or XP tokens and still receive Soul Eater.

It's worth chasing because it's a universal camo. The two universal camos slap onto any weapon in your locker immediately — no per-gun grind required. If you love the look, that's more valuable than a single LMG.

Save your 25-can pulls for last if you only want the Mammoth, but if Soul Eater is the goal, you're clearing every tier anyway — so spend as you go and don't hoard.

Fastest way to farm Fuel Cans

Verdict: bots beat sweats every time. The quickest way to complete the event is playing Casual Resurgence or Casual Battle Royale in Warzone — these playlists include bots, making eliminations easier, and every elimination reliably drops a Fuel Can. One Dot Esports writer reported banking about 30 Fuel Cans in a single Casual Resurgence match on Rebirth Island with an aggressive playstyle.

Your best options by mode:

• Casual Resurgence / BR (Warzone): the efficiency king. Collect cans by eliminating enemies, looting caches, or playing Ranked matches. Warzone uniquely stacks two income streams — kills and caches.
• Loot Caches: don't skip them. Prioritize Legendary supply boxes, as these have a higher chance of dropping a Fuel Can.
• Zombies: a monster farm if you're comfortable. Round-based hordes mean huge kill counts per match, so a few high rounds bank cans quickly — and you progress camos at the same time.
• Multiplayer: Fuel Cans drop primarily from eliminations, so the fastest MP farm is whichever high-kill playlist you perform best in — Nuketown 24/7, Domination, or Kill Confirmed.

One clean detail: Fuel Cans are easy to identify because of their bright green glow on the ground. Walk over them — an elimination that drops a can does nothing if you sprint past it.

Common mistakes that cost you the grind

Verdict: most people lose cans to bad habits, not bad luck.

• Camping. Stay active instead of camping to get as many eliminations and open as many loot caches as possible. Passive play kills your can-per-minute rate.
• Assuming a pool order helps. Spending Fuel Cans on the cheaper pools first does not appear to improve your chance of receiving the weapon. Prioritize 25-can pulls if the Mammoth is all you want.
• Grinding a mode you enjoy but that's slow. A mode may be enjoyable without being efficient — for event farming, measure drops against total session time.
• Waiting until the last day. With an unconfirmed total and a hard two-week window, drop-luck variance is real. Spread it out.

Did you miss the event? The Mammoth isn't gone

Good news if the deadline beat you. After the event expires, all event rewards become unavailable except for the Mammoth LMG, which goes to the Armory for players unable to unlock it during the event. The Soul Eater camo and the event-exclusive cosmetics, though, leave for good — so those are the true one-shot rewards.

Farming a full clear the honest way means dozens of matches and roughly an estimated 350 Fuel Cans, all inside a two-week clock. If you'd rather spend that time actually playing the modes you like, our BO7 bot lobby servicefrom $2.56 sets you up in low-resistance lobbies so eliminations — and Fuel Cans — pile up fast, with you in the lobby and in control the whole time. Once the cans are banked, our BO7 weapon leveling boostfrom $29.99 can take the Mammoth straight to Prestige Master while you move on to the next grind.