OPTIBELT LG2000598 Deck Belt B75 6111 6978 5/8" x 77 3/4"
OPTIBELT LG2000598 Deck Belt B75 6111 6978 5/8" x 77 3/4"
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OPTIBELT LG2000598 Deck Belt B75 6111 6978 5/8" x 77 3/4"
About Optibelt
Optibelt is a German power transmission belt manufacturer founded in 1872. With more than 150 years of experience in rubber processing and power transmission products, Optibelt supplies high-performance belts for industrial, automotive, agricultural and lawn and garden applications worldwide.
Optibelt began manufacturing V-belts in 1948 and today operates internationally as a specialist manufacturer of high-performance drive belts.
Replaces / Cross Reference OEM Number
Dixon:
1611, 539116200, 6111
Dayco:
L578
Gates:
6978
Goodyear:
85780
Ford:
315375
Jacobsen:
315375, 325221
Lawn-Boy:
103351
MTD:
136176, 138263, 1651-79, 165179
Murray:
300600, 300650
Noma / Bolens:
300600, 300650, 300680, 1830258, 61210300680, NR300680
Scag:
48244
Simplicity:
1665706, 1665707
White:
32-0016470
Belt Designation:
B75
Product Information
Brand: OPTIBELT
Optibelt Part Number: LG2000598
Product Type: Deck Drive V-Belt
Belt Width: 5/8"
Belt Length: 77-3/4"
Belt Designation: B75
Application: Mower Deck Drive
Features:
Aramid cord construction for high strength
High cut resistance
Flexible belt construction to reduce stretching and breakage
Oil and heat resistant
Heavy-duty construction for mower deck applications
Fits Dixon Models
Kodiak 50", ZTR421, ZTR422, ZTR424, ZTR426, ZTR427, ZTR428, ZTR429, ZTR501, ZTR503, ZTR542
Fits Bolens Models
STG – 39" Cut
STH – 39" Cut
SX-120
Fits Noma Models
STG – 39" Cut
STH – 39" Cut
SX-120
Fits Masport Models
STG125, STG150, STH125, SX120
Fits Stihl / Viking Models
MT410 – 38" Cut
Fits Victa Models
3912, 4012T
Fits selected 39" and 40" cut applications.
Please confirm the OEM part number and 5/8" x approximately 77 3/4" / B75 belt specification before ordering.
Shipping & Collection
Shipping & Collection
All products are stocked in our Auckland warehouse and are ready for dispatch.
Orders are typically dispatched on the same business day or the next working day.
Nationwide courier delivery is available across New Zealand.
Shipping costs will be displayed before checkout.
Local pickup from Auckland is available by arrangement only.
Please note that we do not operate a showroom.
The location is for collection only.
Please ensure the correct part is finalised before picking up.
If you would like to arrange a pickup or have any questions about shipping, please contact us via the chat window.
Return Policy
Return Policy
Returns are accepted in accordance with our Return & Refund Policy.
Please ensure the correct part number and compatibility before ordering.
Returns due to incorrect orders or change of mind are subject to a restocking fee of 20% or $15.00 (whichever is greater).
Original shipping costs are non-refundable.
If you receive an incorrect, damaged, or faulty item, please contact us as soon as possible with photos.
We will arrange a replacement or refund in line with our policy.
This policy does not affect your rights under the Consumer Guarantees Act 1993.
Compatibility Notice
Compatibility Notice
Compatibility may vary by model, production version, or configuration.
Please confirm the part number and engine or machine model before ordering.
Parts are supplied according to part numbers and technical specifications, not photos.
We recommend comparing the removed original part with dimensions and specifications before purchase.

Let customers speak for us
from 423 reviewsfast reliable and great product
Great service and product. Easy transaction. Highly recommend
Great comms, quick delivery and exactly what was ordered and expected. No compromises required for my simple repair
Thanks for the fast shipping. Item arrived well packaged and quality parts. Tracking made it easy to expect arrival as I live rurally. Their website was easy to navigate. I will buy from go mower parts again. Thanks for the service
The service is highly efficient, ordered the item and the next delivered to my door. Excellent customer service!
Awesome service, will use again!
Great, no hassle.
Excellent and fast shipping
good customer communication
great product and price, did job well
Great service with quick response and dispatch.
Bit of a tight fit but better than loose. Quick delivery and good product!
Great to deel with
Very happy with price, communication, and quality of part. It arrived quickly too which helped a lot too. Thanks
Quick speedy delivery - parts as ordered