Harmonic Drive, LLC
Peabody, MA 01960
Jun 02, 2009 Offered in hollow shaft designs, FHA series miniature AC servo rotary actuators exhibit zero backlash and are optimized for accuracy, response time, and vacuum compatibility. Super-mini, high-powered RH series DC servo rotary actuators provide precision motion control and high torque capacity. Tach-generator and/or encoder are directly mounted onto motor shaft. Also available, LA Series compact linear actuators feature max thrust of 49 N and 0.0174 µm resolution.

Parker Hannifin Corp., Hydraulics Group
Sanford, NC 27330
Mar 09, 2009 Hydro-mechanical series reduces fuel consumption, emissions, and brake wear while increasing productivity in vehicles used in high start-and-stop applications, such as refuse trucks. It replaces conventional transmission with one that marries variable features of hydrostatic drive, suited for urban routes, with performance of mechanical drive, suited for highway speeds. Also, accumulated energy from vehicle's braking system is stored and used to power truck each time it accelerates.

Harmonic Drive, LLC
Peabody, MA 01960
Feb 20, 2009 Available with basic dimensions ranging from 128-230 mm dia x 78-127 mm long, FHA-C series has shape and hollow-shaft construction that aid in downsizing of machinery and equipment. Products are optimized rigidity and accuracy, and series of multifunctional control units are available. Max torque ranges include 21-67, 22-72, 27-86, and 31-102 lb-in., depending on model and gear ratio, which are available as 50, 100, and 160.

Atlanta Drive Systems
Wall Township, NJ 07719
Nov 26, 2008 Featuring compact design to minimize amount of drive torque required, ISO 9409-1 TR Flanged Pinions are available in straight and helical-toothed versions, in metric modules 2.0 through 8.0. Hardened and ground units are suited for pick and place robots, traveling gantries and columns, and material handling axis drives.

ABM Drives Inc.
Milford, OH 45150
Feb 08, 2008 Featuring modular design, wide-wheel TDB254WR Series enables swing radius of 7 in. with zero offset drive for pallet, reach, narrow aisle, and stand-up trucks as well as AGVs, sweepers, and scrubbers. Gear ratios from 14:1 to 39:1 enable OEMs to achieve optimal speed and motor efficiencies for each vehicle type. OEMs can choose between range of UL-approved ac induction motors up to 5.2 hp/4.0 kW for battery voltages of 24, 36, 48, 72, and 80 V.

SDP/SI (Stock Drive Products/Sterling Inst)
New Hyde Park, NY 11042 5416
Dec 13, 2007 Designed for fractional and sub-fractional horsepower applications, miniature inch Series A 2Z21 and metric Series A 2Z21M are completely sealed and lubricated for life. Gear ratios of 1:1, 2:1, and 3:1 are offered, each with choice of 3/16 in. or ¼ in. (4 or 6 mm) precision ground stainless steel shafts. Units have 2 or 3 shaft positions with clockwise or counterclockwise shaft rotation. Housed in fiberglass-reinforced plastic, drives offer 4 mounting holes at each shaft position.

Wittenstein, Inc. (formerly Alpha Gear Drives, Inc.)
Bartlett, IL 60103
Aug 17, 2007 Exhibiting rigidity due to planetary stage on output side, LPK+ is supplied in aluminum housing and withstands timing belt pre-tension. There is minimal wear and constant torsional backlash, limited to less than 10 arc min and peak speed of 6,000 rpm. Five 5 sizes are available with acceleration torques to 250 Nm, and gearhead comes with 10 reduction ratios from i = 3 to i = 100. LPK+ can optionally be supplied with alpha rack-and-pinion system and alpha shaft couplings.

SDP/SI (Stock Drive Products/Sterling Inst)
New Hyde Park, NY 11042 5416
Oct 12, 2006 Comprised of 6 right angle drives, A2Z4 and S9914Y-G Series include 3 worm gear types with 5:1, 10:1, and 20:1 ratios and 3 brass bevel gear types with 1:1, 2:1, and 3:1 ratios. Units feature 10 oz-in. breakaway torque, 200 oz-in. output torque, max backlash of 5°, and max input speed of 2,000 rpm. Housings are aluminum alloy with iridite finish, and all shafts are stainless steel. Measuring 1 1/16 x 1 17/32 x 1½ in., all units have one ¾ in. long input shaft and two ¾ in. long output shafts.

Torque Transmission
Fairport Harbor, OH 44077
May 02, 2006 Housed in glass-reinforced nylon, gear drives come in standard RAB model as well as MAD model for miniature angle drives. Measuring 3 21/32 x 3 15/16 x 1¼ in., RAB Model employs shielded, lubricated, hardened steel ball bearings and gears and is rated 1/3 hp, 1,600 rpm with max speed of 3,000 rpm. Measuring 1.25 x 1.25 in., MAD Model uses permanently lubricated gear drives, hardened steel helical gears, and non-metallic bearings. It is rated at 1,800 rpm max and 1/8 hp continuous.

Hub City, Inc.
Aberdeen, SD 57402
Apr 12, 2006 Part of Hub3® CleanLine UltraPlus(TM) product line, stainless steel Hub3® Drives are available in 2 models with ratings up to 18 hp. Sanitary design features smooth machined exterior surface, profiled to allow for cleanability with no places for contaminants to collect.

Rockland Standard Gear
Sloatsburg, NY 10974
Jan 30, 2006 Accommodating up to 1,000 lb-ft of torque, 6-speed Tranzilla T56 features 9310-alloy gears cut with 22° helix angle, teamed with 9310 main shaft, Corvette-style triple cone synchronizer technology, carbon fiber synchro rings, and steel 3-4 shift forks. All internal rotating parts are blueprinted and balanced, and gear end clearances are performance shimmed. Tranzilla is available with 4 different gear sets from 2.98 to 2.29.

Caterpillar, Inc.
Peoria, IL 61629
Dec 20, 2005 Designed for on-highway applications, CX28 planetary automatic transmission has 6 forward speeds and 1 reverse speed. There are 3 power take-off locations: 2 on torque converter housing at 2 and 8 o'clock, and high-output drive at rear that can be fitted with live yoke, direct drive pump, or clutched adapter. Outfitted with electronic control module, transmission uses J1939 communications protocol and delivers up to 400 hp and 1,250 lb-ft torque.

Nord Gear Corp.
Waunakee, WI 53597
Jun 23, 2005 Modular NORDAC® Trio SK 300E incorporates UNICASEâ„¢ speed reducer, motor, software, and SK 300E frequency inverter with flexible programming, built-in motor brake rectifier, and inverter braking chopper. UNICASEâ„¢ speed reducers are available in helical in-line, NORDBLOC® in-line, shaft-mount parallel, bevel right angle, helical-worm right angle, and worm right angle configurations. Integral motors are 380–460 V; 50/60 Hz; 0.16–5 HP; 0.12–4 kW; 2, 4, or 6 pole.

Falk Corporation
Milwaukee, WI 53208
Jun 09, 2005 Ultramite SS right-angle, helical bevel gear drives feature smooth housing and C-Face mounting surfaces constructed of corrosion-resistant 316SS Stainless Steel. All unused housing holes are plugged with stainless steel caps, and nameplate information is etched into housing. Dual Lip/High Pressure Exclusion Seals keep lubrication in, while standing up to harsh chemical and high-pressure wash down environments. All hardware features capsulated locknuts.

Falk Corporation
Milwaukee, WI 53208
May 19, 2005 Designed with sump capacities that augment heat dissipation, Drive One Low Ratio/High Thermal Drives meet specifications where no-cooling or shaft-fan-cooling-only is specified. They come in right angle drives with ratios from 2.9:1–25:1 and parallel shaft drives with ratios from 1.25–5.6:1. Products, available in 8 sizes, produce output torque from 12,000–140,000 lb-in. Accessories include flanges, mounts, bedplates, and shaft couplings and guards.

Falk Corporation
Milwaukee, WI 53208
Mar 22, 2005 Capable of producing output torques to 4,000,000 lb-in., Drive One High Torque Drives are offered in 6 sizes in parallel or right angle configurations. Drive arrangement options include base-mounted, coupling-connected; shaft-mounted, flange-connected; and shaft-mounted, hollow-shaft connected. Ratios are available from 145:1 to over 10,000,000:1, and standard accessory offerings include motor flanges, swing bases, and torque arm connections.

Grove Gear, a Regal-Beloit Company
Union Grove, WI 53182
Mar 17, 2005 Offered in sizes 218 and 220, Worm Gear Drives feature stainless steel housing, cover, and external hardware, making them suited for harsh conditions. Each reducer is filled with synthetic oil, eliminating need for oil changes. All units are 100% run and leak tested at factory.

Newage Transmissions Ltd
Coventry   United Kingdom
Mar 17, 2005 Dual-speed PRM Transmission, StepDrive, is suited for boats equipped with Volvo Penta Duoprop 290 drive legs and is installed entirely within center section of Duoprop unit. Change from low to high gear occurs automatically at pre-determined engine speed, optimized to individual boat and engine combination. During deceleration, low ratio is engaged as engine speed falls below 1,500 rpm. Smooth changes between ratios helps reduce cone clutch wear.

Brevini USA, Inc.
Vernon Hills, IL 60061
Jan 27, 2005 Suited for 3–12 ton applications, Series PWD 2100 offers hydraulic version that allows for direct fitting of cartridge axial piston motors, and universal input version that offers external 5 in. diameter brakes with associated backstop device. For line pulls in excess of 12 tons, Series SLW-SCW is based on S Series gearboxes with epicyclic gear design. Both series feature double sealing and optional epoxy paint finishes to withstand rigorous conditions.

Harmonic Drive, LLC
Peabody, MA 01960
Jan 11, 2005 Quantum Series size 17 gearhead has outer diameter of 79 mm and overall length of 45 mm. It maintains zero-backlash, 1 arc-min positional accuracy, and ±5 arc-sec repeatability. Available in gear ratios of 50, 80, 100, and 120:1, gearhead has rated torque of 274 lb-in. and max torque of 991 lb-in.