
The Story
Ensure reliable power for your heavy-duty machinery with the OEX BXA4021 Alternator. This 24V, 110A Bosch-style alternator is engineered for high performance and long-lasting durability in demanding environments. Ideal for forestry, construction, mining, agriculture, and bus fleets, it offers a direct-fit solution for a wide range of John Deere, Volvo, Sandvik, Liebherr, Bruks, and Neuson Forest equipment.
The BXA4021 is built to withstand the harshest conditions and provides dependable charging for critical electrical systems. Designed to OEM specifications with a robust 8-groove pulley and internal regulator, this alternator keeps your fleet running smoothly with minimal downtime.
Features:
-
24 Volt, 110 Amp heavy-duty alternator
-
Bosch style with twin leg mount for easy replacement
-
8-groove pulley and internal voltage regulator for stable performance
-
Built to ISO9001 quality standards
-
Reliable, efficient power output for commercial and industrial applications
-
Suitable for harsh NZ operating conditions
-
Backed by a 3-year passenger and 1-year commercial warranty
Specifications:
-
Voltage: 24V
-
Amperage: 110A
-
Pulley: 8-groove, 62mm outside diameter
-
Mount: Twin leg, 198mm centre-to-centre
-
Inside mounting legs: 101mm
-
Adjusting hole diameter: 11mm
-
Pivot hole diameter: 13mm
-
Shaft diameter: 17mm
-
Weight: 7.6kg
-
Regulator: Internal
-
New, not remanufactured
Fits:
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Bruks: 1006 series wood chippers (TAD1643VE 16.2L diesel)
-
John Deere:
-
Excavators: 120D, 160D LC, 200D/DLC, 240D LC, 444K, 524K, 544J, 544K, 624J, 624K, 644J, 644K
-
Dozers: 700J-11, 750J-11, 850J/JLT, 850J-11
-
Graders: 670C, 670CH II, 670D, 670G/GP, 672D, 672G/GP, 770G/GP, 772CH, 772D, 772G/GP, 870D, 870G/GP, 872D, 872G/GP
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Wheel Loaders: 310E, 524K-11, 524L, 544K-11, 544K Z-Bar, 624K Z-Bar, 644K Z-Bar, 744J, 744K-11, 744K Z-Bar, 824J, S8600i
-
Dump Trucks: 250D, 260E, 300D, 310E, 350D, 370E
-
Forage Harvesters: S8600i
-
Standalone Engines: 4045H 4.5L
-
-
Liebherr: PR714 Dozer
-
Neuson Forest: 183HVT, 243HV, 243HVT forestry harvesters
-
Sandvik: LH621 loader, TH430 dump truck
-
Volvo:
-
Buses: 8300, 8500, 8700, 8900, 9300, 9400, 9500 series (D9B, D9A, D12D, D12E, D12C engines)
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Construction: A25D, A40D, A40F, EC480D, L110E/F, L120F, L150E, 7700 (bus, D7C310 7.3L), B9, B12, B12M (various)
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Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Ensure reliable power for your heavy-duty machinery with the OEX BXA4021 Alternator. This 24V, 110A Bosch-style alternator is engineered for high performance and long-lasting durability in demanding environments. Ideal for forestry, construction, mining, agriculture, and bus fleets, it offers a direct-fit solution for a wide range of John Deere, Volvo, Sandvik, Liebherr, Bruks, and Neuson Forest equipment.
The BXA4021 is built to withstand the harshest conditions and provides dependable charging for critical electrical systems. Designed to OEM specifications with a robust 8-groove pulley and internal regulator, this alternator keeps your fleet running smoothly with minimal downtime.
Features:
-
24 Volt, 110 Amp heavy-duty alternator
-
Bosch style with twin leg mount for easy replacement
-
8-groove pulley and internal voltage regulator for stable performance
-
Built to ISO9001 quality standards
-
Reliable, efficient power output for commercial and industrial applications
-
Suitable for harsh NZ operating conditions
-
Backed by a 3-year passenger and 1-year commercial warranty
Specifications:
-
Voltage: 24V
-
Amperage: 110A
-
Pulley: 8-groove, 62mm outside diameter
-
Mount: Twin leg, 198mm centre-to-centre
-
Inside mounting legs: 101mm
-
Adjusting hole diameter: 11mm
-
Pivot hole diameter: 13mm
-
Shaft diameter: 17mm
-
Weight: 7.6kg
-
Regulator: Internal
-
New, not remanufactured
Fits:
-
Bruks: 1006 series wood chippers (TAD1643VE 16.2L diesel)
-
John Deere:
-
Excavators: 120D, 160D LC, 200D/DLC, 240D LC, 444K, 524K, 544J, 544K, 624J, 624K, 644J, 644K
-
Dozers: 700J-11, 750J-11, 850J/JLT, 850J-11
-
Graders: 670C, 670CH II, 670D, 670G/GP, 672D, 672G/GP, 770G/GP, 772CH, 772D, 772G/GP, 870D, 870G/GP, 872D, 872G/GP
-
Wheel Loaders: 310E, 524K-11, 524L, 544K-11, 544K Z-Bar, 624K Z-Bar, 644K Z-Bar, 744J, 744K-11, 744K Z-Bar, 824J, S8600i
-
Dump Trucks: 250D, 260E, 300D, 310E, 350D, 370E
-
Forage Harvesters: S8600i
-
Standalone Engines: 4045H 4.5L
-
-
Liebherr: PR714 Dozer
-
Neuson Forest: 183HVT, 243HV, 243HVT forestry harvesters
-
Sandvik: LH621 loader, TH430 dump truck
-
Volvo:
-
Buses: 8300, 8500, 8700, 8900, 9300, 9400, 9500 series (D9B, D9A, D12D, D12E, D12C engines)
-
Construction: A25D, A40D, A40F, EC480D, L110E/F, L120F, L150E, 7700 (bus, D7C310 7.3L), B9, B12, B12M (various)
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