Description

Danfoss OMR 315 dealer, supplier or distributor: what to do when the listings disagree Look up this motor on a few shop pages and you’ll see the same part described with three different displacements and two different weights. That’s not a typo problem to ignore. It’s a warning that nobody has checked. When the data disagrees, the only fair test of a seller is whether they can give you the right numbers and show where they came from. Advance Hydraulic Works works with hydraulic pump and motor repair and supply from Delhi NCR, and we’d ask you to put the same test to us. The numbers that should anchor you Danfoss’s technical information lists the geometric displacement of the OMR sizes, and for the 315 it gives 315.7 cm³. A reseller datasheet for the common legacy version, the 151-0717, gives 315.7 cm³, a continuous speed of 190 rpm (240 intermittent), continuous torque of 300 N•m (420 intermittent, 610 peak), power of 5 kW, a pressure drop of 70 bar (100 intermittent, 150 peak) and a flow of 60 litres per minute, with a G1/4 drain port and a weight of 9.0 kg. This is a very slow motor. At 60 litres per minute, theoretical speed is only about 190 rpm. Nobody should buy it for speed. Where the pages disagree Now look at the White version, 11186652, that replaces the old number. Three pages describe it three ways: • One shop lists a displacement of 315 cc, a weight of 12.61 kg and a price of €433.00 excluding tax, made in Poland. • A reseller datasheet gives a displacement of 363.5 cm³ and a weight of 9.0 kg, with 165 rpm and 400 N•m continuous. • A third page lists a geometric displacement of 310.1 cm³, next to a range-wide figure for maximum continuous torque. Three displacements, two weights. They can’t all be right. A page that reads 363.5 for a 315 motor has a mistake somewhere. Old numbers, one new number A German shop lists the 151-0717 with the old material number 151-0417 and the new number 11186652, with seal kit 151-1286. So two old numbers, one with a case drain and one without, point to a single White number. Check which version you have before you order. The four-numbers test Ask any seller for four numbers of the exact motor they’re offering, in writing: 1. Displacement. 2. Continuous speed. 3. Continuous torque. 4. Continuous pressure drop. For the legacy 151-0717, the answers are about 315.7 cm³, 190 rpm, 300 N•m and 70 bar. For the White version, the sources show a higher continuous torque and pressure, so the seller should say which motor they mean. A seller who can answer the four numbers for the right part number has read the data. A seller who quotes a mixture hasn’t. Danfoss OMR 315 dealer: what to ask A Danfoss OMR 315 dealer usually sells to workshops and factories, often buying from a distributor. Ask for the four numbers, the part number and the maker. Danfoss OMR 315 supplier: the loosest label A Danfoss OMR 315 supplier can be any importer, trader or reseller. Ask whether the motor is old Danfoss stock or the White version. Advance Hydraulic Works sits in the supplier group, so ask us the same. Danfoss OMR 315 distributor: the strongest claim A Danfoss OMR 315 distributor should hold an appointment from the maker, which for the current motor may be White. Ask for the document and check it with the maker. The method: numbers, version, proof Numbers. Ask for the four numbers and compare them with the data sheet. Version. Confirm the part number and whether it has a drain port. Proof. Ask for the maker, condition and a plate photo of the actual unit. A worked example Say a seller quotes “315 cc, 400 N•m, 100 bar” for a 151-0717. Those are close to the White version’s figures, not the legacy motor’s 300 N•m and 70 bar. Ask: which part number are you quoting? If the answer is 11186652, fine. If it’s 151-0717, the seller has mixed up two motors. Now compare against the pressure you need. At 300 N•m, pressure is about 300 × 62.8 ÷ 315.7, roughly 60 bar theoretical, which sits under the legacy 70 bar rating. A system with a 100 bar relief would work for either, but the legacy motor would run near its limit. This is illustrative arithmetic, so use the current data for your exact motor. Implementation steps 1. Photograph the old motor’s nameplate, shaft and flange before removal. 2. Write down the full part number and note whether it has a drain port. 3. Work out the continuous torque, speed and pressure your machine needs. 4. Send the details and the four-numbers test to Advance Hydraulic Works and at least one other seller. 5. Ask each seller to state the maker, part number, condition and warranty in writing. 6. Compare the answers with the data sheet. 7. Compare the delivered motor’s plate with your order before fitting. 8. Fit the motor and run it unloaded first. The usual mistakes are trusting one shop’s spec table, mixing up the old and new motors and skipping the plate check. FAQs Who is a Danfoss OMR 315 dealer? A dealer sells to end users, often buying from a distributor. Ask which source it buys from, in writing, and ask the four numbers. What does a Danfoss OMR 315 supplier do? A supplier is a looser term that includes importers and traders. Ask whether the motor is old Danfoss stock or the White version. How do I find a real Danfoss OMR 315 distributor? Ask for a written appointment and check it with the maker. For the current motor, that may be White Drive Motors & Steering. Why do listings show different displacements? Some pages contain mistakes. Danfoss’s table gives 315.7 cm³ for the 315, so treat other figures with care and check the data sheet. Does Advance Hydraulic Works take enquiries for this motor? Yes. Send the nameplate photos, model code and working pressure to Advance Hydraulic Works, and ask about source, condition and warranty before you commit. Your next step Photograph the nameplate, note your duty and send everything to Advance Hydraulic Works. Ask us the four numbers, and ask every other seller the same.