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NORD SK 12 Repair, Price & Specs

UNICASE helical inline · ratios 3.03–70:1 · 1–5 hp. Every number you need before you commit: new, wholesale, used, scrap, competitor repair estimates — and our price, cheaper with a shorter lead time. Or sell your surplus SK 12 for cash today.

NORD SK 12 — OEM Image

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SK 12 — full price & lead-time picture

New / retail (OEM list)new unit, factory order$850–$2,200
Wholesale / dealervolume or distributor pricing$680–$1,800
Used (tested, working)secondhand market range$340–$1,580
Scrap valueweight-based, changes daily$10–$25
Competitor shops (est.)
Repair cost$390–$1,320
Lead time10–15 business days
Our price
Repair cost$300–$1,080
Lead time8–12 business days
Choose us and save roughly $90–$240 — and get it back 2–3 business days sooner.
💵 Prefer to sell it? We pay $40–$380 cash for this unit — working or not.
Emergency 24–72 hrsWarranty up to 24 moFreight nationwide

Researched estimates anchored to OEM list pricing and live surplus-market data; new-unit factory lead time commonly runs 16–30 weeks for comparison. Send your nameplate for a confirmed number.

Why repair your SK 12 with us

Real numbers before teardown

Most shops quote only after your unit is in pieces on their bench. We publish the whole market — new, used, scrap, competitor repair — up front, so you negotiate from strength.

Cheaper and faster

Our network rate beats standard shop pricing by roughly 18–25% on the SK 12, with turnaround 2–3 days shorter — and 24–72 hour emergency rush when the line is down.

Two-way market maker

If repair isn't the smart move we say so, buy your unit for cash, and can supply a tested used replacement. No other gear shop gives you all three exits.

20+ years of industrial iron

Industrial Surplus World has bought, sold, and rebuilt NORD equipment for decades — packaging lines drives are daily work, not an experiment.

About the NORD SK 12

The NORD SK 12 is a unicase helical inline from the SK UNICASE, Clincher, FLEXBLOC line, rated 1–5 hp across ratios of 3.03–70:1, and most commonly found on packaging lines. NORD Drivesystems UNICASE gearmotors are everywhere in conveyors and packaging — SK helical inline, Clincher parallel, FLEXBLOC worm, helical-bevel units with a huge SK model-number range.

When a SK 12 fails, the real decision is economic: a new unit lists at $850–$2,200 with a 16–30 week factory queue, a tested used unit trades at $340–$1,580 when you can find one, and a standard shop rebuild runs $390–$1,320 over 10–15 business days. Our in-house network rate of $300–$1,080 in 8–12 business days beats all of those paths on total cost of downtime — and if the unit is beyond economic repair, its scrap weight alone is worth $10–$25, while we'll pay $40–$380 for the core as-is.

Typical failure modes on this family are bearing wear, shaft-seal leakage, and tooth-surface distress from degraded or contaminated oil. A correct rebuild means full teardown, hot-tank cleaning, magnetic-particle inspection of all gearing, verification of bearing-bore tolerances, all-new bearings, seals, shims and gaskets, reassembly to factory clearances, and a loaded run-test with warranty up to 24 months. Done right, it restores full service life at a fraction of replacement cost.

NORD SK 12 specifications

Brand / lineNORD — SK UNICASE, Clincher, FLEXBLOC
Model / part numberSK 12
TypeUNICASE helical inline
Nominal ratios3.03–70:1
Power / duty1–5 hp
Approx. weight90 lb
Typical applicationspackaging lines
Manufacturer baseWaunakee, WI (US)

Confirm exact ratio and rating from your nameplate — we service and buy all configurations of the SK 12.

What a SK 12 rebuild includes

Teardown & clean

Full disassembly, hot-tank strip, oil passages cleared.

Inspect & magnaflux

All gearing NDT-checked for hidden cracks; bores measured.

New wear parts

All-new bearings, seals, shims, gaskets; seal surfaces reground.

Assemble & run-test

Set to factory clearances, painted, loaded run-test, warranty.

SK 12 questions

My NORD SK unit is leaking from the output seal — repair or replace?
Output seal replacement on UNICASE units is routine — the housing is one piece, so a proper reseal with OEM-spec seals holds. The judgment call is what the oil looks like: clean oil = reseal; glittery oil = bearings are going too, rebuild while it's open. Call (641) 519-6270 for a free teardown quote — or sell us the unit as-is for cash.
NORD gearmotor hums but won't turn — motor or gears?
Uncouple the load first. If the output spins free by hand, suspect the motor or brake (if fitted). If it's locked, a gear or bearing has let go inside — stop jogging it before the housing cracks. Either way it's rebuildable. Call (641) 519-6270 for a free teardown quote — or sell us the unit as-is for cash.
How much does gear repair cost compared to buying new?
A quality rebuild typically runs 30-60% of new-unit cost — and skips the 16-30 week factory lead time on industrial units. Small ancillary boxes run $1,000-5,000; heavy mill and oilfield gearboxes $10,000-100,000+. We publish both numbers plus a cash offer for your unit as-is. Call (641) 519-6270 for a free teardown quote — or sell us the unit as-is for cash.
How fast can you turn a repair around?
Standard rebuilds ship in 8-12 business days — typically 2-3 days faster than standard shops — and 24-72 hour emergency service is available with free rush freight both directions. Call (641) 519-6270 for a free teardown quote — or sell us the unit as-is for cash.

Related NORD pages

Get a SK 12 quote or cash offer

Or call/text (641) 519-6270 — ask for Sean. Photos of the nameplate get the fastest confirmed number, or use the instant quote app.