20R-4878
20R-4878 / 387-9639 / 438000-0100 / 438000-0101 / STN3165
Elecdura
Available for qualified orders
20 pcs
7 - 15 Days
Neutral packaging / private-label review
18 Months
20R-4878 / 387-9639 / 438000-0100 / 438000-0101 / STN3165
Caterpillar 2570C forestry equipment and related C7.1 applications requiring the stated 24V 7.8kW 10T CW starter
Confirm 24V, 7.8kW, 10T, CW, 3 × Ø13 mounting holes, Ø92 drive-end locating reference, 47 mm and 18 mm side references, mounting orientation and terminal layout against the removed starter before volume supply.
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A disabled forestry machine can make identification speed as important as price. Pair 20R-4878 with the 2570C model, C7.1 engine and machine serial details so the response can address the exact starter and the buyer's jobsite delivery window.
C7.1 is used across more than one equipment family. Confirm the 7.8kW rating, 10T module-3.175 pinion, three Ø13 holes, Ø146 face and cable orientation before dispatching a starter to a remote forestry operation.
The electrical and drive definition is 24V, 7.8kW, 10T, module 3.175 and clockwise rotation. This combined description should remain visible from the original enquiry through the branch transfer so urgency does not reduce the product to one Cat number.
Primary OE / Reference | 20R-4878 |
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Application | Caterpillar 2570C forestry equipment and related C7.1 applications requiring the stated 24V 7.8kW 10T CW starter |
Voltage | 24V |
Rated Power | 7.8kW |
Pinion Teeth | 10T |
Pinion Module | 3.175 |
Rotation | CW |
OE / Cross Reference | 20R-4878 / 387-9639 / 438000-0100 / 438000-0101 / STN3165 |
Mounting Face | 3 × Ø13 mounting holes; Ø146 mounting-face reference |
Drive-End References | Ø92 drive-end locating reference; 47 mm and 18 mm side references; triangular three-ear orientation shown in the drawing |
20R-4878 Caterpillar 2570C Starter Motor Dimensions for Fleet Buyers — compare the drawing with the removed starter before placing a volume order.
Check three Ø13 mounting holes, the Ø146 face, Ø92 locating reference and the 47 mm and 18 mm side dimensions. Photographs should be taken before the old starter leaves the machine, with the flange square and every terminal visible.
Use 20R-4878 with 387-9639, 438000-0100, 438000-0101 and STN3165 as supporting numbers. Preserve the 2570C or other C7.1 equipment identity because the reference group alone does not describe the machine's service context.
Forestry dealers can divide inventory between emergency site support and planned maintenance. Machine-specific consumption, operating location and required delivery date should remain on the request even after several matched 20R-4878 units are combined into one purchase.
Receiving should count ten teeth, compare the three-ear face and inspect the pinion, housing and terminals for transit impact. For remote branches, include clear outer identification and inner supports strong enough to keep the high-output starter from moving inside the carton.
Elecdura's video shows starter assembly and electrical testing for export supply. Caterpillar forestry buyers can use it when evaluating production support, test requirements, rugged packing and replenishment schedules for 20R-4878 fleet coverage.
Provide the 2570C model, machine serial, C7.1 engine information and the complete 20R-4878 or 387-9639 marking. Add square mounting and terminal-side photographs. The combination connects the Cat number to the forestry machine and gives purchasing enough detail to compare the 24V 7.8kW 10T starter before urgent dispatch.
Treat 20R-4878 and 387-9639 as the primary Cat search pair, with 438000-0100, 438000-0101 and STN3165 as supporting references. Keep the 2570C or other C7.1 machine beside those numbers. Reference agreement speeds identification, while the high-output rating and three-ear match determine the actual forestry-service item. Keep the confirmed 20R-4878 comparison in the buyer's purchasing notes.
Send the machine serial, location, required delivery date, old-starter numbers and clear photographs before discussing freight. Confirm 24V 7.8kW, 10T and the three-hole face. This lets Elecdura address both product identity and the operational deadline instead of offering a fast shipment based on an incomplete Cat number.
Check three Ø13 holes around the Ø146 face, the Ø92 locating reference and the 47 mm and 18 mm side positions. Photograph the flange parallel to the camera before the old starter leaves the machine. The full view gives a remote branch a repeatable comparison if another 20R-4878 is needed later.
Use shaped supports that hold the heavy body and drive housing, isolate the pinion and studs, and prevent rotation during rough transport. Place the machine or customer allocation and 20R-4878 on the outer label. Jobsite receiving can then identify the urgent unit without exposing it before installation.
Sample more than one carton, count ten teeth, compare all three mounting ears and inspect the locating face, solenoid links and terminals for impact. Record the lot and sampled electrical result. These checks give forestry branches a consistent baseline before stock is transferred to distant service locations.
Measure battery-bank voltage, positive and ground voltage drop under load, start-signal voltage and cranking speed, then inspect cable connections and grounds. Add the 2570C serial and installation history. The resulting information helps separate a truck-side electrical issue, harsh operating condition or starter concern before parts are returned.
Email the Caterpillar machine and serial, C7.1 details, all readable starter numbers, mounting, pinion and terminal photographs, quantity, jobsite destination and required arrival date. Elecdura can compare the 7.8kW three-ear starter and respond with product feedback, available price breaks, packing approach, lead time and practical freight options.
Send the Caterpillar 2570C or C7.1 machine details, serial information, complete 20R-4878 or 387-9639 marking, mounting and terminal photographs, quantity, required date and destination to info@elecdurauto.com. Elecdura will review the configuration and provide wholesale pricing and delivery choices.