Machine class
Telehandler/Forklift
Models available
10 variants
Rated capacity
6,000 lbs
Guaranteed Fit
Fast Shipping
Hassle-Free Returns
Description
🏭Made in USA
🔒1-year warranty
🏆Engineer certified
📘 Overview
The Haugen adjustable forklift boom attachment (MIJ) is a fork-mounted forklift jib boom that slips onto your tines and extends from 4 to 12 feet across eight locked positions. Two duty classes: the standard MIJ and the heavy-duty MIJ-3000. Capacity is highest at short reach and falls as the boom extends, so the position you work at decides what you can lift. Standard fork pockets are 3-1/2" x 7-1/2" with chained keeper pins, and position indicators on the boom tell the operator which line of the load chart applies. Both models ship with a 5-ton Crosby eye hook and shackle; swivel hook upgrades are available. Made in the USA with a one-year warranty.
📊 Forklift Boom Attachment At a Glance
| Specification | Value |
|---|---|
| Mount | Fork slot — fits existing tines |
| Machine class | Telehandler/Forklift |
| Models available | 10 variants |
| Weight | 525–640 lbs |
| Rated capacity | 6,000 lbs |
| Manufacturer | Marv Haugen Enterprises Inc., Casselton ND |
⚙ Key Features of the Haugen Industrial Jib
- Adjusts 4 ft to 12 ft across eight pinned positions
- Two duty classes — MIJ and MIJ-3000
- Position indicators on the boom, matched to the load chart
- Standard fork pockets 3-1/2" x 7-1/2", keeper pins chained to the jib
- 5-ton Crosby eye hook and shackle standard; swivel hook upgrades available
- Empty weight 525 lbs (MIJ) / 640 lbs (MIJ-3000)
- Engineered and certified by a third-party Professional Engineer, minimum 2:1 safety factor
- Hook rated 6,000 lbs and movable to any position on the boom
- Made in the USA · one-year warranty
📊 Capacity at Every Position — Read This Before Choosing a Model
Capacity is not a single number. Each of the eight positions has its own rating, and the difference between the shortest and longest position is roughly three to one. A standard MIJ lifts 6,000 lbs at 48" and 2,050 lbs at 144" — the same jib, the same day.
| Position | MIJ capacity | MIJ-3000 capacity |
|---|---|---|
| 48" | 6,000 lbs | 10,000 lbs |
| 66" | 6,000 lbs | 8,000 lbs |
| 84" | 4,700 lbs | 6,800 lbs |
| 96" | 3,500 lbs | 5,350 lbs |
| 108" | 3,100 lbs | 4,200 lbs |
| 120" | 2,650 lbs | 3,800 lbs |
| 132" | 2,450 lbs | 3,300 lbs |
| 144" (12 ft) | 2,050 lbs | 2,900 lbs |
Work out the longest position you will actually need, then read across. If your heaviest lift happens at 84" rather than at full extension, the standard MIJ has 4,700 lbs available — you may not need the heavy-duty model at all.
🔑 Choosing Your Forklift Jib Attachment — MIJ or MIJ-3000
- Both cover the same reach. Four to twelve feet, eight positions, identical fork pockets. The difference is capacity at every one of those positions, not how far the boom goes.
- The gap widens as you shorten up. At full extension the MIJ-3000 gives you 850 lbs more. At 48" it gives you 4,000 lbs more — 10,000 against 6,000. If most of your lifting happens at short and mid reach, that is where the heavy-duty model earns its price.
- The MIJ-3000 weighs 115 lbs more. 640 lbs against 525 lbs, and that weight sits out on the forks. It comes off your machine's available capacity before the load does.
- Hooks can be specified per model. Both arrive with the 5-ton Crosby eye hook. The MIJ takes one or two 6,000 lb swivel hooks; the MIJ-3000 takes one or two 10,000 lb swivel hooks.
📋 Model, Hook Options and Weights
| SKU | Duty class | Hook configuration | Capacity @ 12 ft | Empty weight |
|---|---|---|---|---|
| MIJ | Standard | 5-ton Crosby eye hook | 2,050 lbs | 525 lbs |
| MIJ-M001 | Standard | One 6,000 lb swivel hook | 2,050 lbs | 525 lbs |
| MIJ-M002 | Standard | Two 6,000 lb swivel hooks | 2,050 lbs | 525 lbs |
| MIJ-3000 | Heavy duty | 5-ton Crosby eye hook | 2,900 lbs | 640 lbs |
| MIJ-3000-M003 | Heavy duty | One 10,000 lb swivel hook | 2,900 lbs | 640 lbs |
| MIJ-3000-M004 | Heavy duty | Two 10,000 lb swivel hooks | 2,900 lbs | 640 lbs |
| Specification | Value |
|---|---|
| Extension range | 4 ft to 12 ft (48" to 144") |
| Positions | 8, held by a heavy duty pin |
| Position indicators | Marked on the boom |
| Fork pocket size | 3-1/2" x 7-1/2" |
| Keeper pins | Chained to the jib |
| Certification | Third-party Certified Professional Engineer; minimum 2:1 safety factor. Certification letter supplied with the manual; full engineering report available on request |
| Hook | 6,000 lb rated, repositionable along the boom |
| Vertical centre of gravity | 8.43" |
| Horizontal centre of gravity | 39.00" at position 1 to 51.88" at position 8 |
| Personnel | Never use to lift or support people |
| Origin / warranty | Made in the USA · one-year warranty |
🔗 Fitting the Jib to Your Forks
The MIJ slips onto your existing fork tines — pockets are 3-1/2" x 7-1/2" and the keeper pins stay chained to the jib so they cannot be mislaid. Fit the pins before every lift.
Before lifting, disable the carriage's hydraulic tilt and swing functions and position the tines so the jib carries the load centred on the machine. Keep the forks level or slightly rolled back — never tilted forward — and read the load chart decal for the position the boom is actually set to, not the position you used last time. The position indicators exist because reading the wrong line of the chart is the common way an adjustable jib gets overloaded.
The hook is rated 6,000 lbs and can be moved along the boom. More than one hook can be fitted, but capacity is then governed by the most extended hook — with a hook at position 8, the load must not exceed 2,050 lbs regardless of where the others sit.
When any attachment is added to a forklift or telehandler, the machine manufacturer's down-rated capacity chart for that combination applies. The jib's rating and the machine's rating are two separate limits, and the lower of the two always governs.
🚜 Forklift and Telehandler Compatibility
Fitment is decided by your fork tines and your machine's rated capacity — not by machine brand.
| Requirement | Specification |
|---|---|
| Fork pocket size | 3-1/2" x 7-1/2" |
| Carriage | Any telehandler, rough terrain forklift or industrial forklift with a fork carriage |
| Tilt | Forks level or slightly rolled back in use |
| Attachment weight to allow for | 525 lbs (MIJ) or 640 lbs (MIJ-3000) |
Add the jib's own weight to the load when you read your machine's chart. Both the attachment limit and the machine limit must be respected, and whichever is lower is the one that counts.
❓ Industrial Jib FAQs
How much can the jib actually lift?
It depends entirely on the position. A standard MIJ is rated 6,000 lbs at 48" and 2,050 lbs at 144"; the MIJ-3000 runs 10,000 lbs down to 2,900 lbs across the same range. The full chart is in the capacity table above and on a decal fitted to the jib. Read the decal for the position you are set to before every lift.
Which telehandler jib boom should I order?
Work out the longest position you genuinely need and the heaviest thing you will lift there, then read the capacity table. Plenty of jobs never reach full extension, and at 84" the standard MIJ already has 4,700 lbs. If your heavy lifts happen at short reach, the MIJ-3000's advantage is much larger than the headline figures suggest — 10,000 lbs against 6,000 at 48".
What do the M001 to M004 codes mean?
They are hook upgrades that replace the standard 5-ton Crosby eye hook. M001 is one 6,000 lb swivel hook and M002 is two, both for the MIJ. M003 is one 10,000 lb swivel hook and M004 is two, both for the MIJ-3000. Choose the configuration when you order.
Why do I need a down-rated load chart from my machine manufacturer?
Adding any attachment changes what the machine can safely lift, and the manufacturer's down-rated chart for that combination is what OSHA and industry practice require you to work from. The jib's chart covers the jib. Your machine may be more limited than the jib at a given height and reach, and the more restrictive of the two limits is the one to follow.
Can the jib lift people?
No. It is for lifting loads only and must never be used to lift or support personnel. For elevating people, Haugen builds work platforms designed and certified for that purpose.
What are the operating rules while a load is on the jib?
The operator stays in the seat at the controls with the engine running for as long as a load is on the jib. Keep everyone at least ten feet clear of the fall zone in all directions, and never put any part of yourself under a suspended load. Carry loads low and use tag lines to stop them swinging. The machine must be on level, firm ground before you raise anything. The jib is for vertical lifting only — do not use it to pull or drag.
What figures does my forklift manufacturer need for a down-rated chart?
Empty weight 525 lbs on the MIJ, vertical centre of gravity 8.43", and a horizontal centre of gravity that moves with the position — 39.00" at position 1, rising to 51.88" at position 8. Those are the numbers a lift truck manufacturer uses to calculate your down-rated capacity for the machine and attachment together.
What should I check before each use?
Inspect the hook, latch and shackle; confirm the safety pins are installed and secured with cotter pins; look for excessive wear and for cracked or broken welds; check the lifting holes for elongation; and make sure the load chart decal is present and readable. If any of those checks fail, take the jib out of service.
What hook comes with the jib and can it be moved?
Both models ship with a hook and shackle rated 6,000 lbs that can be repositioned along the boom. More than one hook can be fitted, but capacity is then governed by the most extended hook.
What is covered by the warranty?
The MIJ carries a one-year warranty. The engineering certification letter is supplied with the manual, and the full engineering report is available on request.
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