The inventory is 99%+ exact, minus some of the stickers and one minifig's torso. (I found a few closely matching decals for decorations).

⚡︎⚡︎ MISSING DECALS ⚡︎⚡︎
1. https://rebrickable.com/parts/973c03h01pr2189/torso-fire-jacket-with-reflective-striped-vest-with-pockets-radio/
2. https://rebrickable.com/parts/14901/sticker-sheet-for-set-60061-1/

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⚡︎⚡︎⚡︎ LEGO.com DESCRIPTION ⚡︎⚡︎⚡︎
Source: https://web.archive.org/web/20140201174105/http://shop.lego.com/en-US/Airport-Fire-Truck-60061

Ages: 5-12
Pieces: 326
Price: $29.99

Put out the jet engine fire with the Airport Fire Truck!

"The jet engine is on fire and must be put out, fast! Speed to the scene in the Airport Fire Truck, point the water cannon at the blaze and douse it with a blast of water. If that doesn't do it, reel out the side-mounted fire hose and help the firefighter direct even more water onto the flames. No fire is too big for the amazing Airport Fire Truck! Collect this and all the other vehicles in the Great Vehicles range! Includes 2 firefighter minifigures with assorted accessories."

❒ Features Airport Fire Truck and a burning jet engine
❒ Airport Fire Truck features a rotating, top-mounted water cannon, a reel-out, side-mounted fire hose and opening rear engine hatches
❒ Burning jet engine features fire elements
❒ Accessories include two realistic water elements, breathing apparatus, an angle grinder, and an axe
❒ Point the water cannon at the flames and put out the fire
❒ Reel out the fire hose and help douse the flames
❒ Airport fire truck measures over 3" (9cm) high, 9" (24cm) long and 2" (7cm) wide
❒ Jet engine measures over 1" (5cm) high, 1" (5cm) wide and 1" (3cm) deep
❒ Collect all the other cool models in the Great Vehicles range!

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This set no. 60061 'Airport Fire Truck' came out in 2014 as part of the CITY "Great Vehicles" subtheme. At over 320 parts, the enormous Firefighters car had a few curious features and quirks.

⚡︎⚡︎⚡︎ "FIRE," "AIRPORT," OR ..? ⚡︎⚡︎⚡︎
For starters, the set's slightly deceptive name tricked a few major LEGO databases that incorrectly attributed the Airport Fire Truck as belonging to the "Airport" (like Brickset and Rebrickable) or "Fire" (as per Bricklink) subthemes.

Neither is correct—the LEGO.com description explicitly stated it's one of "the cool models in the Great Vehicles range" (see above). In 2014 consumer catalogs, the Airport Fire Truck also appeared separately from the rest of the "Fire" line-up, sharing the centerfold with other new "Great Vehicles" sets: Auto Transporter, Logging Truck, Tow Truck, Camper Van, SUV with Watercraft, Light Repair Truck, etc.

The "Great Vehicles" (https://brickipedia.fandom.com/wiki/Great_Vehicles) was a pretty unusual "meta-subtheme," so to speak, as it didn't share any defining characteristics of a typical CITY theme: unified design, branding, recurring logos, specific minifigures, etc. While it primarily focused on heavy-duty freight and service trucks, the "Great Vehicles" also included racing cars, offroaders, camper vans, ambulances, Octan tankers, Logging Truck, even a Speed Record Car! In later years, other vehicles appeared in the theme, including boats, airplanes, and helicopters.

⚡︎⚡︎⚡︎ TRUCK DESIGN ⚡︎⚡︎⚡︎
The 'Airport Fire Truck' was the only Firefighter-related "Great Vehicle," not counting a small "Fire" boat in the 'Starter Set' that came out in 2015.

I believe this Truck is by far the hugest CITY car I've ever built. With eight wheels and a spacious driver's cabin with an extra-wide center console between two full-sized seats—"colossal" would be an understatement! The visual aesthetics are stellar, bringing quite a few notches up the era's regular "Fire" trucks.

⚡︎⚡︎⚡︎ 'COMBINE & CREATE' MULTI-BUILD ⚡︎⚡︎⚡︎
In quite a terrific "Combine & Create" initiative (which I've never seen before), the Airport Fire Truck included bonus instructions for 'Thermo-Bolt Fire Flyer'—a mind-boggling crossover build that utilized some parts from a random Ninjago set no. 70721 'Kai Fighter.' (Frankly, all they shared in common is a primarily red bodypaint).

I wonder if there's a combined listing of these "Combine & Create" crossovers somewhere! (And how many there are).

⚡︎⚡︎⚡︎ MINIFIGURES ⚡︎⚡︎⚡︎
Firefighters in this set came straight from the 2013 "Fire" line-up. Despite having so much extra room for storage, the Airport Fire Truck carries pretty modest equipment: just one oxygen mask and a couple of tools in the back.

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⚡︎⚡︎⚡︎ MORE LEGO TRUCKS ⚡︎⚡︎⚡︎

60020: CITY > Cargo > Cargo Truck (2013)
https://www.mecabricks.com/en/models/qxv4kV1GjdJ

7733: CITY > Cargo > Truck & Forklift (2008)
https://www.mecabricks.com/en/models/1w2rEQBVa8W

8654: Racers > Scuderia Ferrari Truck (2005)
https://www.mecabricks.com/en/models/KZvmNKMzaG6

7034: World City > Police > Surveillance Truck (2003)
https://www.mecabricks.com/en/models/N02gzw6baLD

6459: Town > Space Port > Fuel Truck (1999)
https://www.mecabricks.com/en/models/WRaZQV0LvpZ

1656: Town > Fire > Evacuation Team (1991)
https://www.mecabricks.com/en/models/KZvmb6Y3aG6