TURBOCHARGER GP 4P8730 - Caterpillar

4P8730 TURBOCHARGER GP Caterpillar parts D8L, D9N, D9R

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Alternative (cross code) number:
CA4P8730
4P-8730
4P8730

Weight: 64 pounds 29 kg.

Buy TURBOCHARGER GP 4P8730 Caterpillar genuine, new aftermarket tractor parts with delivery
TRACK-TYPE TRACTOR,

Related part:

4P8730 TURBO GP-BASIC 0R6328 R

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Turbocharger 4P-8730 Turbocharger Products Replace Original Automotive Turbocharger Parts

$2,530.00

12 Nov 2025
0.8267[0.37] Pounds
CN: jianweibin

Turbocharger 4P-8730 Turbocharger Products Replace Original Automotive Turbocharger Parts
Jxeadysgw OE number:4P-8730 || Enhancing performance: Turbochargers can increase engine power, reduce vehicle acceleration time, and are compact in structure and highly reliable, effectively enhancing car performance || Energy conservation and emission reduction: Turbochargers increase the intake volume by compressing air, improve fuel efficiency, reduce exhaust emissions, and are energy-saving and environmentally friendly || Product lifespan extension: Turbochargers feature rapid heat dissipation at high speeds, which can extend the product's service life || Choose with confidence: This Turbocharger perfectly matches the performance of the original component equipment for specific vehicles. Please check your machine brand, year and original part OEM number through the garage tool above to ensure that the part meets your requirements

Turbocharger 4P-8730 Energy Lubrication, Accelerate Heat Dissipation Comply With Standards

$2,530.00

12 Nov 2025

CN: kangshunhui

Turbocharger 4P-8730 Energy Lubrication, Accelerate Heat Dissipation Comply With Standards
Jhtkpbkjscf [Accessory Check] :OE nubmer is 4P-8730, please check the part number of your product carefully, the matching information is for reference only, if you are not sure about the product, please consult before purchase to avoid unnecessary returns, thank you || [Product Performance]: Intelligent lubrication system extends engine life || [Product Durability]: Multi-layer metal seals, which can withstand the high temperature of modern engines and have good heat resistance || [Energy Efficiency]: Passive variable geometry reduces fuel consumption during driving || [Easy to Replace]: Simplified assembly process, comes with a multi-language installation guide, effectively saving your time and energy

4P8730 TURBOCHARGER Suitable For Caterpillar 4P8730

$1,399.95

06 Oct 2025

US: KMP BRAND

4P8730 TURBOCHARGER Suitable For Caterpillar 4P8730
KMP BRAND Suitable for Caterpillar

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Number on catalog scheme: 2

Caterpillar 4P8730 Parts scheme TURBOCHARGER GP

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Compatible equipment models: 4P8730:

TRACK-TYPE TRACTOR D8L D9N D9R Caterpillar

Information:

CONFIDENTIAL TIBU3790-00
TECHNICAL INFORMATION BULLETIN February 12, 2003
PRODUCT FAMILY(S) SALES MODEL (2KS)
Component Code(s) 1205 1405 1425SUBJECT: Low idle engine speeds affecting alternator charging performance
PROBLEM:
Alternator speeds may be to low too charge the batteries of the vehicle when the engine low idle is set to 600 rpm.
SOLUTION:
When investigation the charging performance of an alternator consider the engine idle speed during operation. Programming the engine low idle speed on EUI engines is very flexible, and this may cause the alternator to be rotating below its normal operating range. The operating range for the Caterpillar 9X-7803 alternator is 2300 rpm to 8000 rpm. To obtain a desirable low idle speed for the alternator the engine idle should be set to 700 rom. If there is a change in the crankshaft pulley diameter, a change should also be made to the alternator to keep the alternator within its desired operating range. The following chart is a selection of alternator pulley arrangements, and crankshaft pulleys to obtain the desired alternator rotation speed.
Alternator and crankshaft pulley arrangements
Alternator Pulley Crankshaft Pulley Alternator drive ratio
117-0177
68.5mm (2.69in) diameter with 8 groove for K rib belt. 116-5444
228.5mm (9in) diameter with 8 groove for K rib belt. 3.34 x engine speed
123-0789
57mm (2.24in) diameter with 8 groove for K rib belt. 117-2795
190.5 mm (7.5in) diameter with 8 groove for K rib belt. 3.34 x engine speed
138-2516
82mm (3.23in) diameter with 8 groove for K rib belt. 116-5444
228.5mm (9in) diameter with 8 groove for K rib belt. 2.8 x engine speedThe Caterpillar 9X-7803 alternator output at 2300 rpm will be 1/3 of rated output, and if the vehicle?s electrical power requirements are above this, battery life will be limited.
In some instances the alternator is driven from the fan pulley rather than the engine crankshaft pulley, in these cases the fan speed ratio to crankshaft is needed to calculated the alternator?s speed.
COPYRIGHT 2003 CATERPILLAR
ALL RIGHTS RESERVED