T4040F T4040V 3 2L 4cyl 87HP DSL 87311822
                     AGRICULTURAL PARTS
Alternator for New 
Holland
Tractor T4040F / T4040V
3.2L 4-Cylinder · 87HP Diesel · OEM Ref: 87311822
$239.00 CAD
In Stock  ·  SKU: 12785N-9  ·  denparts.ca
Product Overview
What Is It?
A brand-new, direct-fit replacement alternator $239.00 12V
engineered specifically for New Holland T4040F and 
T4040V farm tractors. This unit restores full electrical 
Price Voltage
charging performance to your machine without 
modification. CAD Output
Why Choose This Alternator?
Brand-new unit — not rebuilt or remanufactured 120A 5 lbs
OEM-matching specifications
Immediate availability — in stock Amperage Weight
Capacity Unit Weight
Competitive Canadian pricing
Technical Specifications
SKU: 12785N-9  ·  OEM Ref: 87311822
Unit Type Part Type
Alternator Complete Unit (New)
Voltage Rotation
12V Clockwise (CW)
Amperage Pulley Type
120A S8
Fan Type Regulator
External Fan (EF) Internal (IR)
Compatible New Holland Models
Fits 24+ New Holland tractor models from 2008 onwards
T4 Series T5 / TD5 / TL Series
T4020 · T4020V · 3.2L · 64HP T5040 · 4.5L · 85HP
T5050 · 4.5L · 95HP
T4030 · T4030F · T4030V · 3.2L · 76HP
T5060 · 4.5L · 105HP
T4040 · 4.5L · 84HP
T5070 · 4.5L · 115HP
T4040F · T4040V · 3.2L · 87HP
TD5010 · 3.2L · 60HP
T4050 · T4050F · T4050V · 4.5L · 95HP
TD5050 · 4.5L · 93HP
TL80A / TL90A / TL100A
Cross-Reference Part Numbers
Compatible with multiple OEM and aftermarket references
NEW HOLLAND CASE
47383500 87311822 47383500 87311822
Denparts SKU: 12785N-9 Denparts SKU: 12785N-9
MAHLE PERKINS
MG0223 MG0704 MG0673 T412776
Denparts SKU: 12785N-9 Denparts SKU: 12785N-9
Why Buy from Denparts?
🍁 Proudly Canadian 🍁 Brand-New Parts 🍁 Exact-Fit Guarantee
Serving Canadian farmers and Every alternator is new — not rebuilt. Parts are sourced to OEM specs. This 
equipment operators. Prices in CAD, Cleaner performance, longer lifespan, alternator is a direct replacement — no 
shipping within Canada, bilingual and no hidden wear from prior use. drilling, no adapters, no guesswork.
support.
🍁 Fast Shipping 🍁 Multiple Payment Options 🍁 Expert Support
In-stock items ship quickly. Get your Pay by Visa, Mastercard, PayPal, Stripe, Reach us at (365) 649-1919 or (450) 
tractor back in the field without long or Cash on Delivery — whatever works 977-0569. Real people who understand 
waits for overseas parts. for your operation. agricultural parts.
Installation at a Glance
Replacing your alternator on a New Holland T4040F / T4040V is a straightforward task
Safety First Remove the Belt Disconnect Wiring
Park on level ground, engage Release tension on the drive Label and unplug the alternator 
01 the handbrake, and disconnect 02 belt and slide it off the 03 wiring harness and remove the 
the negative battery terminal alternator pulley. Note the belt B+ terminal nut. Keep 
before starting. routing for reinstallation. connectors clean.
Unbolt & Remove Install New Unit Test & Verify
Remove the mounting bolts Position the 12785N-9 Reconnect the battery and start 
04 (typically 2-3). Slide the old 05 alternator, torque bolts to spec, 06 the engine. Confirm charging 
alternator out of its bracket. reconnect wiring, and re-route voltage reads 13.8–14.8V at the 
the drive belt. battery.
Ready to Order?
Get your New Holland tractor charging correctly again.
$239.00 CAD ✔  SKU: 12785N-9✔  In Stock — Ships Fast
FREE Shipping on qualifying orders ✔  New Unit (Not Rebuilt)
✔  OEM Ref: 87311822
🌐  denparts.ca/alternator-for-new-holland-tractor-t4040f-t4040v-3-2l-4cyl-87hp-dsl-87311822
🌐  (365) 649-1919  ·  (450) 977-0569
Proudly Canadian  ·  Agricultural Parts Specialists