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Remark: find the dimension "L" in the GEARBOX DATA below.
| Model number | Rated volt. | No load | Load | Stall | |||||
| Speed | Current | Speed | Current | Torque | Power | Current | Torque | ||
| rpm | mA(max) | rpm | mA(max) | Kgf.cm | W | mA(min) | Kgf.cm | ||
| FT-36PGM5550126000-5.2K | 12V | 1153 | 650 | 960 | 3000 | 1.2 | 11.8 | 10620 | 6.3 |
| FT-36PGM5550128000-14K | 12V | 571 | 900 | 465 | 3500 | 4 | 19.1 | 11550 | 19 |
| FT-36PGM5550126000-27K | 12V | 223 | 400 | 175 | 1600 | 4.2 | 7.5 | 5350 | 20 |
| FT-36PGM5550126000-51K | 12V | 117 | 680 | 85 | 2680 | 13 | 11.3 | 8350 | 60 |
| FT-36PGM5550126000-71K | 12V | 84 | 500 | 70 | 2400 | 14 | 10.1 | 8380 | 71 |
| FT-36PGM5550126000-100K | 12V | 60 | 450 | 48 | 2000 | 16 | 7.9 | 6300 | 78 |
| FT-36PGM5550124500-264K | 12V | 17 | 400 | 12 | 1500 | 28 | 3.4 | 2800 | 104 |
| FT-36PGM5550126000-721K | 12V | 8 | 400 | 6 | 3200 | 160 | 9.9 | 9000 | 630 |
| FT-36PGM5550246000-3.7K | 24V | 1621 | 500 | 1216 | 2000 | 1.5 | 18.7 | 8000 | 7.5 |
| FT-36PGM5550246000-5.2K | 24V | 1153 | 400 | 1016 | 1600 | 1.25 | 13.0 | 5380 | 8 |
| FT-36PGM5550124500-27K | 24V | 167 | 550 | 147 | 2000 | 6 | 9.1 | 6500 | 30 |
| FT-36PGM5550244500-71K | 24V | 63 | 220 | 48 | 1100 | 10 | 4.9 | 3700 | 50 |
| FT-36PGM5550243000-100K | 24V | 30 | 150 | 22 | 550 | 12 | 2.7 | 1180 | 55 |
| FT-36PGM5550246000-189K | 24V | 31 | 360 | 26 | 1800 | 41 | 10.9 | 4730 | 204 |
| FT-36PGM5550244500-264K | 24V | 17 | 220 | 14 | 1000 | 43 | 6.2 | 2700 | 221 |
| FT-36PGM5550244500-369K | 24V | 12 | 250 | 9 | 850 | 70 | 6.5 | 2500 | 280 |
| FT-36PGM5550246000-1367K | 24V | 4.3 | 450 | 3.2 | 2000 | 250 | 8.2 | 6500 | 1200 |
Remark: 1 Kgf.cm ≈ 0.098 N.m ≈ 14 oz.in | 1 mm ≈ 0.039 in
| Reduction stage | 1-stage | 2-stage | 3-stage | 4-stage | 5-stage |
| Reduction ratio | 3.7, 5.2 | 14, 19, 27 | 51, 71, 100, 139 | 189, 264, 369, 515, 721 | 977, 1367, 1910, 2671, 3736 |
| Gearbox length (L) mm | 26.5 | 34.5 | 42.5 | 50.5 | 58.5 |
| Max rated torque Kgf.cm | 1 | 4 | 18 | 35 | 45 |
| Max momentary torque Kgf.cm | 6 | 10 | 38 | 60 | 60 |
| Gearbox efficiency | 90% | 81% | 73% | 65% | 59% |
| Motor model | Rated Volt. | No load | Load | Stall | |||||
| Current | Speed | Current | Speed | Torque | Power | Torque | Current | ||
| V | mA | rpm | mA | rpm | gf.cm | W | gf.cm | mA | |
| FT-555 | 6 | ≤858 | 6000 | ≤2250 | 4680 | 150 | 7.35 | ≥700 | ≥10000 |
| FT-555 | 12 | ≤171 | 3000 | ≤561 | 2400 | 126 | 3.16 | ≥630 | ≥2390 |
| FT-555 | 12 | ≤350 | 6000 | ≤2300 | 4500 | 280 | 13.19 | ≥1200 | ≥10230 |
| FT-555 | 12 | ≤638 | 8500 | ≤2800 | 6450 | 300 | 20.3 | ≥1400 | ≥11900 |
| FT-555 | 24 | ≤120 | 3000 | ≤336 | 2400 | 198 | 4.98 | ≥990 | ≥1430 |
| FT-555 | 24 | ≤174 | 4500 | ≤620 | 3600 | 309 | 11.65 | ≥1500 | ≥3630 |
| FT-555 | 24 | ≤270 | 6000 | ≤800 | 5370 | 420 | 23.6 | ≥2000 | ≥5820 |