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M149A2 Water Buffalo: Master Cylinder NSN
By | May 24, 2022
Order a replacement master cylinder for the M149A2 water buffalo trailer with NSN 2530-01-339-8620. Read on to learn what models are affected...

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M969A3 Fuel Tanker: TM Lists Wrong NSN for Shutoff Valves
By | May 5, 2022
Refuelers, Item 1 in Fig 107 of TM 9-2330-330-23P (Dec 15) lists the incorrect NSN for the shutoff valves for the retail hose reels. They’re shown as R and P in Item 1, Fig 107 below. Get the info here...

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M149-Series Water Trailers: Identify Model & Inspect for Corrosion
By | April 6, 2022
Maintenance leaders, according to TACOM Ground Safety Action (GSA) message 22-009, you’ll need to identify your M149-series water trailers and inspect them for frame corrosion. And there's a deadline to do it! Get the scoop...

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Corrosion: Bust Rust with TACOM CCI Checklists
By | March 31, 2022
Maintenance leaders, did you know the TACOM Corrosion website has corrosion control inspection (CCI) checklists? It sure does. Here's what you need to know...

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M149A2 Water Trailer: Need a Data Plate?
By | March 9, 2022
Maintenance leaders, do you need to order either a water tank data plate or trailer data plate for your M149A2 water trailer? Here’s some help...

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Tactical Vehicles: 2021 Year-in-Review
By | Jan. 21, 2022
Maintenance leaders, NSNs were the most frequent topics covered in 2021 for tactical vehicles and trailers. Corrosion prevention and the roll-out of Non-Combat Operations Maintenance Plan (NCOMP) were also hot topics this...

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M978A2/A4 HEMTT: Deadman Valve Leaking?
By | Nov. 3, 2021
Operators, do you have an issue with the deadman valve leaking on your M978A4 or M978A2 HEMTT fuel tankers? It’s also commonly called the hand-actuated control valve (HAV). You can easily fix the leaking with some sealing...

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M149 Water Trailer: Don’t Learn Safety by Accident!
By | Oct. 28, 2021
During a training exercise in March 2021, a Soldier suffered a serious foot injury while disconnecting a full M149 water trailer from the prime mover. Here's how and why...

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M149A2 Water Trailer: TM Updates for Brake Assemblies & Water Tank
By | Oct. 26, 2021
If you have an M149A2 water trailer, there are some issues when it comes to the brake configuration in TM 9-2330-267-13&P (Dec 15). Read on for TM updates...

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Fuel Tankers: Trailer Service Info
By | Sept. 16, 2021
Maintainers, looking for a handy guide for services and parts for your fuel tankers? We’ve got you covered. Download them from here...

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M967/M969 Fuel Tankers: Correct NSN for Rear Axle Assembly
By | Sept. 3, 2021
UPDATED INFORMATION...Soldiers, TM 9-2330-339-23P (Dec 15) lists the wrong NSN for the rear axle assembly. The correct NSN for the rear axle assembly shown as Item 1 in Fig 7 is NSN 2530-01-680-4885. Read on for more info...

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Fuel Tankers: Need an Alternator or Cooling Fan Belt?
By | Aug. 27, 2021
Operators, be careful while ordering that alternator belt for your tanker trailer. Older model tanker trailers use a different belt than the newer models. That’s because they have different-sized alternator pulleys. Read more...

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M967A2, M969A3 Fuel Tankers: Where’s the Gasket NSN?
By | July 8, 2021
Are you looking for the NSN for the gasket that goes between the piping and the top of the 350 gallons per minute (GPM) pump for your M967A2 or M969A3 fuel tanker? Here's what you need to know...

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M149 Water Trailer: Torque Specs for U-bolts
By | May 28, 2021
Dear Half-Mast, while working on my M149 water trailer, specifically work package (WP) 0047 that’s in TM 9-2330-267-13&P (Dec 15), I noticed there’s no torque specifications for tightening the nuts on the U-bolts that hold...

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Fuel Tankers: Correct NSN for Engine Junction Box Switch
By | May 27, 2021
Before you order a toggle switch for the engine junction box on either your M967A2 or M969A3 fuel tankers, you’ll want to ensure you have the correct NSN. We've got the info you need here...

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TPU: How Do I Get the 500-gal Tank?
By | May 13, 2021
Dear Half-Mast, I’m trying to order a 500-gal tank for my tank and pump unit (TPU). I looked up the tank in TM 10-4930-236-13&P (Dec 12) and it shows NSN 5430-01-256-0650. I’ve tried to order it but the system says the NSN is...

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M969 Fuel Tanker: Get the Latest Separator News
By | May 7, 2021
Here’s some need-to-know info for your M969-series fuel tankers. Read on for a whole lot of good info...

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M149A2 Water Trailer: Brake Hose Assembly NSN
By | April 9, 2021
This article initially appeared in PS 782, p. 61 (Jan 18). To get the correct brake hose assemblies for the M149A2 water trailers, order NSN 4720-01-031-4387 (128” hose) for the right hand and NSN 4720-01-031-4386 (110” hose)...

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M967A2/M969A3 Fuel Tankers: Suspension Bumper Assembly Update
By | March 24, 2021
The suspension bumper assembly for M967A2, M967A2P1, M969A3 and M969A3P1 fuel tankers isn’t in TM 9-2330-329-23P (Dec 15) for the M967A2 variants or TM 9-2330-330-23P (Dec 15) for the M969A3 variants. Here's what you need to...

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M969 Fuel Tanker: Hose and Nozzle Configuration Change
By | March 24, 2021
Maintainers, there’s a configuration change for the current hose and fuel nozzle assembly on your M969-series fuel tankers. The change is required to standardize the hose and nozzle assembly’s configuration. Read all about it...

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M1062 Fuel Tanker: Correct Globe Valve NSN
By | March 3, 2021
If you need a globe valve for your M1062 fuel tanker, don’t order it using the NSN listed in TM 9-2330-384-14&P (Jul 90). Make sure to read this before you order it...

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M969A3 Fuel Tanker: Dealing with Door Bumpers
By | Feb. 26, 2021
Does your unit have any M969A3 fuel tankers? If so, listen up! TM 9-2330-330-23P (Dec 15) doesn’t show an illustration for the door bumpers on the hose reel cabinet doors and cabinet frame, and it should. The bumpers will be...

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M149-Series, M1112 Water Trailers: Prevent Frozen Tanks
By | Feb. 10, 2021
Have an M149 or M1112 trailer tank? If you said yes, you’ve got to think about PM for cold weather. Your M149-series or M1112 water trailers are tough, but as water freezes it expands. That means water pipes can burst, so...

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M969A3 Fuel Tanker: Order Correct Differential Gage with CAGE and PN
By | Feb. 3, 2021
Maintainers, your M969A3 fuel tanker’s TM 9-2330-330-13 (Dec 15) shows NSN 6685-00-022-7988 for the differential gage. The gage has two (2) ports, one coming out of each side of the assembly. This configuration is correct for...

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M1112 Water Trailer: Tire and Wheel Assembly NSN Updates
By | Jan. 26, 2021
It’s true that sometimes even the experts make a mistake. So if your unit has M1112 water trailers, TM 9-2330-397-13&P (Dec 15) has incorrect NSNs listed for the tire and wheel assembly. Continue reading to get the updates...

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M969A3 Fuel Tanker: Order Fuel Nozzle with Coupling
By | Jan. 6, 2021
Dear Half-Mast, I need to order a fuel nozzle for the M969A3 fuel tanker and I want to get the coupling with it. The COEI/BII listings in TM 9-2330-330-13 (Jul 15) tells me to use NSN 4930-01-290-0756. The TM shows the nozzle...

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M967A1/M969A1/M969A2 Fuel Tankers: Onan Glow Plugs
By | Nov. 20, 2020
If you have any M967A1, M969A1 or M969A2 fuel tankers in your unit, including armored models, and they still have the original Onan engine, here’s some news for you. Read on for the news...

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M149A2, M1112: Water Trailer Tank Heater
By | Oct. 14, 2020
The following brief initially appeared in PS 790 (Sep 18), p. 61. Get a new Active Gear Co. diesel heater kit for the water tanks on your M149A2 and M1112 trailers with NSN 2990-20-005-7263. This heater kit replaces the old...

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M967A2/M969A2 Fuel Tankers: NSNs for Junction Box Gaskets
By | July 29, 2020
On the M967A2 and M969A2 fuel tanker’s front roadside is a junction box where the light cable from the prime mover plugs in. There are gaskets that fit between the junction box and its access plates, but NSNs weren’t...

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TPU Fuel Water Separator: Vent Valve NSN
By | July 13, 2020
The manual vent valve on top of the Tank & Pump Unit (TPU) 50 GPM fuel water separator has a new NSN. NSN 4820-01-613-6865 replaces NSN 4820-00-407-2581 in TM 10-4330-232-12&P (Sep 91). Make a note of the change...

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M967A1 Fuel Tanker: Vapor Integrity Test Set
By | Feb. 28, 2020
Get a vapor integrity test set that’s used on the 5,000-gal fuel tankers with NSN 2590-01-438-8806. A breakdown of the test set is shown in TM 9-2330-339-23&P (Dec 15), but the NSN is missing, and the part number for the set...