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SMR Gearbox Specification
1 Output Hub
Standard or alternative hubs with metric bores are available to suit international standard shaft diameters.
2 Precision Large Quality Gearing
Computer Designed Helical Gears, Strong Alloy Materials for High Load Capacity, Case Carburized for long life, Ground Profile(some intermediate pinions are shaved) Crown tooth Profile, In Conformance with ISO 13281997, 98% Efficiency for Per Stage, Smooth Quiet Operation with Several Teeth in Mesh.
3 Maximum Capacity Housing Design
Close Grain Cast Iron Construction, Excellent Vibration Dampening & Shock Resistance Features, Precision Bored and Dowelled to Ensure Accurate In-Line Assembly.
4 Strong Alloy Steel Shafts
Strong Alloy Steel, Hardened, Ground on Journals, Gear Seatings and Extensions, for
Maximum Load and Maximum Torsional Loads. Generous Size Shaft
Keys for Shock Loading and Conform to ISO Standards.
5 Additional Case Lugs Except H and J Gear Case
Eliminates the Need for Critical Tightening of Torque Arm Bolts. Controls Position of
Standard Torque Arm Mounting within Recommended limits.
6 BackStops
Alternative Parts, Antirun Back Device, AreAvailable on all 13:1 and 20:1 Ratio Units and do not recommend for 5:1 Units.
7 Bearings and Oilseals
Bearings are Adequately Proportioned and Conform to ISO Dimension Plan, Readily
Available WorldWide. Oilseals are Double Lipped Garter Spring Type, Ensuring Effective Oil Sealing.
8 Rubberised End Caps
Self Sealing Intermediate Cover Plates, to Standard ISO Housing Dimensions.
9 Torque Arm Assembly
For Easy Adjustment of the Belt.
Dimension : SMR B C D E F G H
RATIO : 5:1 13:1 20:one
| Design | B13/B20 | C13/C20 | D13/D20 | E13/C20 | F13/E20 | G13/F20 | H13/G20 | J13/J20 |
| Output(RPM) | ten-a hundred and fifteen | 10-one hundred ten | 10-one hundred ten | 10-105 | ten-a hundred and five | 10-a hundred | ten-a hundred | ten-100 |
| Electrical power Ranking(KW) | .29-3.11 | .forty nine-4.62 | .82-7.eighty one | 1.twenty five-eleven.fifty five | 1.97-seventeen.01 | three.eleven-27.09 | 4.9-40.7 | seven.8-60.5 |
| Permissible torque(Nm) | 277 | 468 | 783 | 1194 | 1881 | 2970 | 4680 | 7449 |
| Design | B5 | C5 | D5 | E5 | F5 | G5 | H5 | J5 |
| Output(RPM) | a hundred-400 | a hundred-400 | a hundred-400 | one hundred-400 | a hundred-400 | 100-four hundred | a hundred-400 | 100-four hundred |
| Energy Ranking(KW) | 2.sixty eight-7.14 | four.2-9.sixty six | six.sixty two-15.sixty five | ten.29-24.57 | fifteen.twelve-35.91 | twenty five.2-59.nine | 36.2-eighty one.9 | sixty two.2-134.2 |
| Permissible torque(Nm) | 256 | 401 | 632 | 983 | 1444 | 2407 | 3457 | 5940 |
| Dimension(mm) | SMR Dimensions | |||||||
| SMR-B | SMR-C | SMR-D | SMR-E | SMR-F | SMR-G | SMR-H | SMR-J | |
| Standard measurement of shaft | 30 | forty | 50 | fifty five | sixty five | 75 | 85 | 100 |
| Alternative dimensions of shaft | forty | 50 | 55 | 65 | seventy five | eighty five | one hundred | one hundred twenty |
| Enter shaft keyway | 6×3.5×50 | 6×3.5×59 | 8x4x63 | 8x4x70 | 10x5x70 | 12x5x90 | 14×5.5×100 | 16x6x100 |
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The use of first products manufacturer’s (OEM) element numbers or logos , e.g. CASE® and John Deere® are for reference functions only and for indicating item use and compatibility. Our company and the outlined substitution parts contained herein are not sponsored, authorized, or made by the OEM.

