A marine engine mount is picked on two numbers: the stud thread the engine beds take, and the load each mount must carry. Four series cover the range, stepping together from M12 studs at 50 kilograms per mount up to the M24 jumbo forms, so once the two numbers are known, one series fits them. Every listing states its thread, base size and maximum load, and the pick confirms itself.
The series step cleanly: the SM1600 on M12 studs carries 50, 75 or 90 kilograms per mount by compound, the SM1609 on M16 runs from 100 through 150, 225 and 300 to 450, the SM1657 on M20 from 400 through 600 and 800 to 1000, and the jumbo SM1841 on M24 carries 940 kilograms across its four grades, with base diameters from 120 to 330 millimetres rising with the series.
Marine duty is what shapes them: an engine afloat rocks, thrusts and vibrates against its beds, and these mounts hold alignment against all three while keeping the drumming out of the hull, the same forms serving generators and static engines ashore.
The engine's weight divided across its mounts, with margin for thrust, picks the rating, and the beds' stud holes pick the thread. Both numbers over WhatsApp on 07754288583, with the engine's type, come back with the series named and the compound grade matched.
| Overall Length (A) | 120mm |
|---|---|
| Overall Height (B) | 38.5mm |
| Flange Width (C) | 60mm |
| Fixing Hole Distance (D) | 100mm |
| Fixing Hole Dimension (F) | 11mm |
| Overall Length (A) | 120mm |
|---|---|
| Overall Height (B) | 38.5mm |
| Flange Width (C) | 60mm |
| Fixing Hole Distance (D) | 100mm |
| Fixing Hole Dimension (F) | 11mm |
| Overall Length (A) | 120mm |
|---|---|
| Overall Height (B) | 38.5mm |
| Flange Width (C) | 60mm |
| Fixing Hole Distance (D) | 100mm |
| Fixing Hole Dimension (F) | 11mm |
| Overall Length (A) | 183mm |
|---|---|
| Overall Height (B) | 50mm |
| Flange Width (C) | 75mm |
| Fixing Hole Distance (D) | 140mm |
| Fixing Hole Dimension (F) | 13mm |
| Overall Length (A) | 183mm |
|---|---|
| Overall Height (B) | 50mm |
| Flange Width (C) | 75mm |
| Fixing Hole Distance (D) | 140mm |
| Fixing Hole Dimension (F) | 13mm |
| Overall Length (A) | 183mm |
|---|---|
| Overall Height (B) | 50mm |
| Flange Width (C) | 75mm |
| Fixing Hole Distance (D) | 140mm |
| Fixing Hole Dimension (F) | 13mm |
| Overall Length (A) | 183mm |
|---|---|
| Overall Height (B) | 50mm |
| Flange Width (C) | 75mm |
| Fixing Hole Distance (D) | 140mm |
| Fixing Hole Dimension (F) | 13mm |
| Overall Length (A) | 183mm |
|---|---|
| Overall Height (B) | 50mm |
| Flange Width (C) | 75mm |
| Fixing Hole Distance (D) | 140mm |
| Fixing Hole Dimension (F) | 13mm |
| Overall Length (A) | 228mm |
|---|---|
| Overall Height (B) | 74mm |
| Flange Width (C) | 114mm |
| Fixing Hole Distance (D) | 182mm |
| Fixing Hole Dimension (F) | 18mm |
| Overall Length (A) | 228mm |
|---|---|
| Overall Height (B) | 74mm |
| Flange Width (C) | 114mm |
| Fixing Hole Distance (D) | 182mm |
| Fixing Hole Dimension (F) | 18mm |
| Overall Length (A) | 228mm |
|---|---|
| Overall Height (B) | 74mm |
| Flange Width (C) | 114mm |
| Fixing Hole Distance (D) | 182mm |
| Fixing Hole Dimension (F) | 18mm |
| Overall Length (A) | 228mm |
|---|---|
| Overall Height (B) | 74mm |
| Flange Width (C) | 114mm |
| Fixing Hole Distance (D) | 182mm |
| Fixing Hole Dimension (F) | 18mm |
| Overall length / diameter A (mm) | 120 |
|---|---|
| Width / dimension B (mm) | 38.5 |
| Height / dimension C (mm) | 60 |
| Outer diameter D (mm) | 100 |
| Fixing hole / dimension F (mm) | 11 |
| Overall length / diameter A (mm) | 183 |
|---|---|
| Width / dimension B (mm) | 50 |
| Height / dimension C (mm) | 75 |
| Outer diameter D (mm) | 140 |
| Fixing hole / dimension F (mm) | 13 |
| Overall length / diameter A (mm) | 228 |
|---|---|
| Width / dimension B (mm) | 70 |
| Height / dimension C (mm) | 114 |
| Outer diameter D (mm) | 182 |
| Fixing hole / dimension F (mm) | 18 |
| Overall length / diameter A (mm) | 330 |
|---|---|
| Width / dimension B (mm) | 111 |
| Height / dimension C (mm) | 190 |
| Outer diameter D (mm) | 270 |
| Fixing thread / bolt size d | 135 |
| Base Width (A) | 330mm |
|---|---|
| Overall Height (B) | 112mm |
| Overall Length (C) | 190mm |
| Center Distance (D) | 270mm |
| Hole Center Spacing (d) | 135mm |
| Base Width (A) | 330mm |
|---|---|
| Overall Height (B) | 112mm |
| Overall Length (C) | 190mm |
| Center Distance (D) | 270mm |
| Hole Center Spacing (d) | 135mm |
| Base Width (A) | 330mm |
|---|---|
| Overall Height (B) | 112mm |
| Overall Length (C) | 190mm |
| Center Distance (D) | 270mm |
| Hole Center Spacing (d) | 135mm |
| Base Width (A) | 330mm |
|---|---|
| Overall Height (B) | 112mm |
| Overall Length (C) | 190mm |
| Center Distance (D) | 270mm |
| Hole Center Spacing (d) | 135mm |
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