Arrowhead Alternator for Case Trencher
Arrowhead Alternator for Case Trencher
SKU:400-48068
24 in stock
Key Features
- High-quality 12V, 35A alternator designed for Case Trenchers, Toro Reelmaster 450-D, and Mitsubishi FD-20D equipment.
- Durable, reliable, and built with premium materials to deliver consistent charging performance in harsh job-site environments.
- Features an internal regulator (IR) and internal fan (IF) for efficient cooling and stable voltage output under varying load conditions.
- Clockwise rotation and V1 pulley configuration ensure proper belt alignment and reliable operation.
- Compatible with 1-V pulley designs, including 82mm OD / 15mm ID (A1T25083) and 74mm OD / 15mm id (a1t25077) - suitable for 16mm and 13mm belt widths respectively.
- Direct OEM replacement for Mitsubishi-built alternators commonly found in small industrial and turf maintenance machinery.
- Compact and efficient, ideal for industrial, agricultural, and turf equipment applications requiring dependable low-output alternators.
Fits Models
- Case DH4B
- Mitsubishi FD-20D
- Toro Reelmaster 450-D
Interchanges / Cross-References
| Brand / Manufacturer | Part Number / Code |
|---|---|
| Arrowhead | A1T25077 |
| Arrowhead | A1T25083 |
| Arrowhead (Old) | AMT0238 |
| Ford | SBA18504-6201 |
| Ishikawajima | 18504-6201 |
| Lester | 12078 |
| Lester | 14687 |
| Mitsubishi | 34468-18100 |
| Mitsubishi | 34468-18200 |
| Mitsubishi | 34468-28100 |
| Mitsubishi | 34468-28200 |
| Mitsubishi | A1T25077 |
| Mitsubishi | A1T25083 |
| Mitsubishi | A1T25097 |
| Toro | 112-1358 |
| Toro | 51-8250 |
| Toro | 60-5420 |
| Toro | 60-5421 |
| Toro | 86-6400 |
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Shipping Information
Shipping Information
What Are My Shipping Options?
In-Store Pickup
In-Store pickup is available on all purchase. Pickups are available Monday - Friday between the hours of 9:00–17:00.
An email confirmation will be sent when your order is ready for collection.
Free Shipping
We offer free Standard (2-3 Days) shipping on orders within the United Kingdom on orders over £100. Please note, some large items that require specialist courier companies, such as large mirrors and palleted items are excluded from this deal.
Shipping Fees
We also offer shipping at the following rates:
Standard-Size Parcel
Standard (UK Only) - 2-3 Days - £2.99
Express (UK Only) - 1-2 Days - £4.99
International (EU) - 3-7 Days - £14.99
International (ROW) - 5-10+ Days -£23.99
Large Parcel
Standard (UK Only) - 2-3 Days - £2.99
Express (UK Only) - 1-2 Days - £4.99
International (EU) - 3-7 Days - £14.99
International (ROW) - 5-10+ Days - £69.99
Most UK orders will be sent using Royal Mail, with larger items being sent with DPD.
International orders within the EU will normally be dispatched with Royal Mail, DPD, or UPS.
International orders to the rest of the world will normally be sent with DPD or UPS.
Please note, international delivery charges are very volatile and subject to change. We will do everything in our power to honour the delivery fee, however, in some cases, shipping may increase in price. In this event, you will be given the offer to pay the difference or cancel the order and receive a full refund.
Please note, we may be subject to various rules and restrictions in relation to some international deliveries, and you may be subject to additional taxes and duties over which we have no control. If such cases apply, you are responsible for complying with the laws applicable to the country where you live and will be responsible for any such additional costs or taxes.
Dispatch Times
Orders placed before 15:00 Monday - Friday will be shipped on the same day.
Orders placed after this time will be shipped on the following business day,
Please note, we are closed at weekends, as well as English Bank Holidays.
Returns Policy
Our refund policy can be found at the following address: https://esupplyline.com/policies/refund-policy.
Further Information
You can contact us for further information on our shipping policies using the following:
Phone: 01953 711 881
Email: sales@esupplyline.com
Live Chat: Available on our website, Monday - Friday, 8:30 - 17:00.
Contact Form: https://esupplyline.com/pages/contact
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Description
OEM-Quality Alternator for Case Trenchers and Mitsubishi-Powered Equipment
The Arrowhead AMT0238 Alternator is a 12-volt, 35-amp replacement unit engineered for Case Trenchers, Toro Reelmaster mowers, and Mitsubishi-powered industrial applications. Compact yet powerful, it delivers consistent charging performance in demanding field and construction environments.
Engineered for Reliability and Longevity
Built with premium-grade bearings, sealed internals, and high-quality copper windings, this alternator is designed to endure vibration, heat, and moisture commonly found in trenching and mowing equipment. The internal fan (IF) provides effective thermal management, while the internal regulator (IR) ensures precise voltage control for smooth electrical operation.
Versatile Pulley and Mounting Options
The alternator accommodates both 82mm OD / 15mm ID (A1T25083) and 74mm OD / 15mm ID (A1T25077) pulley options, supporting belt widths of 16mm and 13mm respectively. This versatility ensures compatibility with a range of Mitsubishi-engine configurations across Case and Toro machinery.
Direct-Fit Replacement and Simple Installation
Designed for clockwise rotation, the alternator mounts directly using existing brackets and wiring. No modification is required - simply remove the old unit, install the new one, and confirm correct belt alignment and tension.
Cross-Compatible with OEM References
Fully compatible with a wide range of Mitsubishi, Toro, Ford, and Case OEM part numbers, including A1T25077, A1T25083, SMA18504-6201, and other listed in the table above.
More Information
Application Instructions
Specifications
Unit Type: Alternator
Part Type: UNIT
Voltage: 12V DC
Amperage: 35A
Rotation: Clockwise (CW)
Pulley Class: V1
Pulley Options: 82mm OD (16mm belt) / 74mm OD (13mm belt)
Fan Type: Internal Fan (IF)
Regulator: Internal Regulator (IR)
Manufacturer Code: AMT0238
OEM References: A1T25077 / A1T25083 / SBA18504-6201
Compatible Brands: Mitsubishi, Case, Toro, Ford
Housing Material: Aluminium, corrosion-resistant
Weight: Approx. 3.0 kg
Warranty: 12-month manufacturer’s warranty