E Series Planetary Gearbox (1)

E Series Planetary Gearbox — Replacement for Brevini E10 to E260, 1,480–36,600 Nm

E Series Planetary Gearbox, 1,480–36,600 Nm rated, peak to 45,000 Nm. Replaces Brevini EM/ED/ET/EQ/EC series. IEC/NEMA & hydraulic inputs. 9 frame sizes, ships in 3–25 days.

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E Series · Drop-In Brevini Riduttori Replacement

E Series Planetary Gearbox — Replacement for Brevini E10 to E260, 1,480–36,600 Nm

The E Series is a compact transmission planetary gearbox line covering 9 frame sizes from E10 to E260, with 10,000-hour rated torque from 1,480 Nm to 36,600 Nm and peak capacity up to 45,000 Nm. All mounting dimensions — bolt circles, shaft diameters, and input flange profiles — are produced to match Brevini Riduttori E-series specifications exactly. The same unit also replaces equivalent models from EM, ED, ET, EQ, and EC sub-series configurations without adapter plates or machine frame modification. Whether you need a wheel drive, winch drive, or track drive variant, the E Series delivers a verified dimensional match and performance parameters consistent with the original Brevini specification.

E Series Planetary Gearbox (1)

1,480 Nm

Min Rated Torque (E10)

45,000 Nm

Peak Torque (E260)

9 Sizes

E10 → E260

100+ Models

EM / ED / ET / EQ / EC Series

E Series Planetary Gearbox — Torque Parameters by Frame Size

Rated torque is specified at 10,000 operating hours under continuous duty. Peak torque figures apply to instantaneous shock loads not exceeding 2 seconds.

Frame SizeBrevini Cross-RefRated Torque @ 10,000 h (Nm)Peak Torque (Nm)
E10Brevini E101,4802,200
E16Brevini E162,3653,400
E25Brevini E253,9705,200
E30Brevini E304,8806,500
E50Brevini E506,3007,500
E80Brevini E8011,20012,500
E120Brevini E12016,80020,000
E160Brevini E16024,20034,000
E260Brevini E26036,60045,000

★ Operating consistently above 90% of rated torque reduces service life toward 7,000 hours. For duty cycles with frequent shock loading, select the next frame size up.

Interchangeable Brevini Sub-Series Models — E Series Planetary Gearbox Replacement

The E Series covers planetary gear unit, wheel drive, winch drive, and track drive configurations. All models in the table below are dimensionally interchangeable with this unit. If your existing Brevini model number begins with EM, ED, ET, EQ, or EC, locate it here to confirm your direct replacement.

EM (Wheel Drive)ED (Drive)ET (Track Drive)EQ (Quad)EC2EC3EC4
EM1010ED2010ET3010EQ4010EC2010EC3010EC4010
EM1020ED2020ET3020EQ4020EC2020EC3020EC4020
EM1030ED2030ET3030EQ4030EC2030EC3030EC4030
EC4040ED2040ET3040EQ4040EC2040EC3040EC4040
EM1045ED2045ET3045EQ4045EC2045EC3045EC4045
EM1046ED2046ET3046EQ4046EC2046EC3046EC4046
EM1065ED2065ET3065EQ4065EC2065EC3065EC4065
EM1067ED2067ET3067EQ4067EC2067EC3067EC4067
EM1090ED2090ET3090EQ4090EC2090EC3090EC4090
EM1091ED2091ET3091EQ4091EC2091EC3091EC4091
EM1150ED2150ET3150EQ4150EC2150EC3150EC4150
EM1155ED2155ET3155EQ4155EC2155EC3155EC4155
EM1250ED2250ET3250EQ4250EC2250EC3250EC4250
EM1255ED2255ET3255EQ4255EC2255EC3255EC4255
EM1320ED2320ET3320EQ4320EC2320EC3320EC4320

Can't find your model? Send us the full Brevini part number — we identify the correct E Series frame and confirm availability within 24 hours.

How to Calculate the Gear Ratio of an E Series Planetary Gearbox

The E Series uses a standard planetary stage configuration. For each stage where the ring gear is fixed and the planet carrier rotates as output, the ratio is:

Stage ratio (i) = 1 + (Zring / Zsun)
where Zring = ring gear tooth count · Zsun = sun gear tooth countMulti-stage total ratio = istage 1 × istage 2 × istage 3

Example — E80 two-stage unit: If the first stage has Zring = 60 and Zsun = 20, stage ratio = 1 + (60 / 20) = 4:1. With a second stage also at 4:1, total ratio = 4 × 4 = 16:1. A 1,450 RPM motor produces 1,450 ÷ 16 = 90.6 RPM at the output shaft.

Working backwards from your speed requirement: Divide input RPM by target output RPM to get the required ratio. Need 25 RPM from a 1,450 RPM motor? Required ratio = 1,450 ÷ 25 = 58:1. An E80 or E120 three-stage variant covers this range.

Provide your motor speed, target output RPM, and load torque and we will select the correct E Series frame and stage count, and confirm whether the unit falls within rated or peak torque limits for your duty cycle.

Design Features of the E Series Transmission Planetary Gearbox

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    Verified dimensional match for E Series Planetary Gearbox Replacement. Bolt-circle diameters, output shaft dimensions, keyway widths, and input flange profiles are machined to Brevini E-series drawings. Swapping from a worn Brevini unit takes the time of a mechanical change-out, not an engineering re-design.
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    Peak-to-rated ratio of 1.23× to 1.49×. The E160 runs 24,200 Nm rated with a 34,000 Nm peak — a 40% surge margin. The E260 handles 36,600 Nm continuously and 45,000 Nm at peak. These margins are confirmed by FEA on the planet carrier and ring gear, not estimated from catalogue scaling.
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    Four application variants in one frame family. The same E Series frame size is available as a standard planetary gear unit (EM), a dedicated wheel drive (ED), a track drive (ET), a quad-mount drive (EQ), or compact drive configurations (EC2 / EC3 / EC4). No new tooling or interface engineering is needed when changing application type within the same torque class.
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    Sealed construction for outdoor and mobile equipment. Double-lip seals at input and output shafts; housing designed for wash-down and submersion resistance in wheel-drive and track-drive configurations. Suitable for agricultural machinery, construction equipment, and marine auxiliary drives exposed to water, mud, and fine debris.
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    As an OEM Planetary Gearbox Supplier, we support custom ratio and interface requests. Beyond the standard model range, we accept project-specific gear ratio requirements, non-standard output shaft diameters, and special flange patterns for OEM integration. Minimum order quantities apply; contact us for a project quotation.

Where the E Series Planetary Gearbox Is Used

Wheel Drive Systems

E10–E50 units (1,480–6,300 Nm) serve as hub-reduction drives on compact loaders, platform trucks, and AGVs where motor and gearbox mount coaxially inside the wheel hub.

Track Drive Units

E80–E160 ET-series variants (11,200–24,200 Nm) fit mini-excavator, crawler crane, and pipe-layer undercarriages. ET-series profiles match Brevini track-drive mounting patterns exactly.

Winch & Hoist Drives

E120–E260 winch-drive variants (16,800–36,600 Nm) power marine deck winches, construction hoists, and anchor-handling equipment. The hollow output shaft accepts the drum shaft without an intermediate coupling.

Agricultural Machinery

Compact E10–E30 units drive seeder metering shafts, spreader discs, and harvester head drives where a low-profile, high-torque output is needed within a 200 mm axial envelope.

Industrial Slewing Drives

E160 and E260 EC-series configurations (24,200–36,600 Nm) suit crane slewing rings, solar-tracker azimuth drives, and rotary table systems requiring high torque in a compact radial footprint.

Complete Drive System — Components That Pair Directly with the E Series Planetary Gearbox

All components below interface directly with standard E Series input and output configurations. Ordering as a matched set reduces commissioning time and eliminates interface uncertainty.

ComponentSpecificationInterface with E Series
IE3 Electric Motor3–45 kW, 4-pole, IEC B5 / B14 flange, 1,450 RPMBolts to IEC adaptor on E10–E80 input; no intermediate coupling on flanged versions
Drive SprocketANSI #50–#100 roller chain, 13–21T, keyed or splined boreMounts on solid keyed output on E10–E50 for chain-driven conveyor and feeder applications
Marine Winch DrumØ 250–500 mm, 8–16 mm wire rope, SWL 3–30 tFits hollow-output E120–E260 winch-drive variants; drum shaft inserts directly without external coupling
Hydraulic Orbit Motor50–400 cc/rev, SAE A/B flange, Char-Lynn / Sauer compatibleFlanges to hydraulic input port on ET and EC track/winch variants; common on mobile machine rebuilds
Elastomeric Jaw Coupling500–8,000 Nm, 92–98 Shore A spider, bored to motor and input shaftAbsorbs angular misalignment and torsional shock on non-flanged motor-to-gearbox connections

FAQ — E Series Planetary Gearbox

Q1: Is this unit a verified E Series Planetary Gearbox Replacement for Brevini Riduttori models?
Yes. Bolt-circle patterns, output shaft diameters, input flange profiles, and housing face dimensions are produced to match Brevini E10–E260 drawings. It is an OEM-compatible aftermarket unit. Provide your full Brevini part number and we confirm the matching frame before shipment.
Q2: Can you act as an OEM Planetary Gearbox Supplier for custom gear ratios or non-standard output shafts?
Yes. We supply OEM and aftermarket customers with custom ratio variants, non-standard shaft diameters, and modified flange patterns. MOQ and lead time vary by specification. Submit your technical drawing or specification sheet and we respond with a feasibility confirmation and project price within 3 business days.
Q3: What lubricant and service interval apply to the E Series transmission planetary gearbox?
ISO VG 220 EP gear oil for ambient temperatures of −10 °C to +40 °C. Use PAO synthetic below −20 °C or above 40 °C continuous ambient. Fill volume is approximately 0.4 L for E10 and 3.8 L for E260. Initial oil change at 500 hours; subsequent intervals at 5,000 hours or 24 months, whichever comes first.
Q4: What are stock availability and lead times for E Series frames?
E10, E16, E25, E30, and E50 in EM and ED configurations ship within 3–5 business days from stock. E80 and E120 dispatch in 7–12 business days. E160 and E260, plus all ET, EQ, and EC variants, ship in 15–25 business days. Contact us with your model and quantity for a written delivery schedule.

Confirm Your Replacement or Request a Custom Quote

Order the E Series Planetary Gearbox — E10 to E260 in Stock, Ships in 3–25 Days

Send us your existing Brevini model number (EM / ED / ET / EQ / EC), required torque, input type, and quantity. We confirm the replacement frame size and return a firm price and lead time within 24 hours.

E10–E260 · 9 frame sizes · EM / ED / ET / EQ / EC variants · OEM custom orders accepted

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