Welcome to Dario Diesel Service, Inc.
Dario Diesel Service, Inc. is an AUTHORIZED HINO MEDIUM DUTY TRUCK DEALER
Dario Diesel is one of New England’s Premier Medium and Heavy-duty full-service truck dealers, and Massachusetts’ only Hino Certified Ultimate Dealer. Dario Diesel is, and has been family owned and operated since 1959. Our philosophy and commitment to delivering quality products and services led us to develop our partnerships as an authorized Hino dealer.
At Dario Diesel quality and service is not just a slogan; it’s our commitment to our customers. Time really is money when it comes to running your business. At Dario Diesel we understand the importance of keeping our customer’s trucks up and running, and we do so through efficient, reliable and quality service.
As a full-Service Medium and Heavy-duty truck dealer, Dario Diesel Features one of the finest parts and service departments in all of New England. our experienced and tenured Parts and Service teams with over 200 years of collective experience; along with our state-of-the-art facility featuring our heavy-duty chassis Dynamometer, provides our customers with unparalleled service and expertise. Along with our experienced and tenured Parts and Service teams, our friendly and knowledgeable Truck sales team will assist you with all of your new and used truck purchase needs.
Visit Dario Diesel, and experience what our customers have known since 1959; that Dario is Diesel.

Sales Contacts
TOLL-FREE: 1-800-223-2746
LOCAL: 508-753-8177
FAX: 508-757-2572
Monday - Friday: 8:00 am - 5:00 pm
Saturday: By appointment
Sunday: Closed
we are your
certified ultimate advantage
Certified Ultimate Dealers have changed the way they do business for Sales, Parts, Service and overall support to be able to deliver the Ultimate Ownership Experience at every level. Take a look at what it takes to meet the premier standards of Hino Dealerships, and what this means to you.
Inventory
Certified Ultimate Dealerships are committed to carrying inventory at a level right for their market-that means when you need it, they'll have it.
COMMUNICATION
Sales associates are held to the highest standards in the industry. Certified Ultimate Sales professionals work to make sure you have the information you need to make a profitable business decision.
TRAINING
It's one thing to own the most advanced engineering in light- and medium-duty trucks, but it's another to get the most out of it! Certified Ultimate Dealers are trained to get you up and running with leading industry services like Hino Edge.
INVENTORY
Certified Ultimate Dealers are required to carry more inventory in parts for top level service and repair/replace items. Above the industry average. That means it's in stock when you need it, and not on the other side of the country.
DELIVERY
In the event that you're not able to be at the dealership to pick up, your Certified Ultimate dealer will deliver it-for free.
RAPID EVALUATION
An evaluation of your trucks means you know where you stand from the get-go. Certified Ultimate Dealerships are focused on getting you the information you need to make decisions and back on the road in the shortest possible time.
TRAINING
The Hino Master Elite training program is one of the toughest qualifications for service staff in the industry. Certified Ultimate service teams are trained in Rapid Evaluation, Hino's highest level of training.
COMMUNICATION
Information is power, and information in service means you get back on the road sooner. Certified Ultimate service teams feed data to Hino Edge as they perform services, so you're notified in real-time and know exactly where you stand every step of the way. Now you can make decisions on resource allocation faster here than anywhere else.
L series
23,000 - 33,000 lbs. GVWR
xl series
33,000 - 66,000 lbs. GVWR
ultimate ownership experience
Our commitment to you for the lifespan of your ownership.
Hino Edge is a powerful, next-generation connected-vehicle solution that comes standard on all Hino trucks. It delivers vehicle location tracking, a live fleet performance dashboard, vehicle health monitoring including real-time fault notifications, streamlined service experience with case communication, and telematics.
We've got your back-covered, that is. For the first three years of ownership, regardless of mileage, HinoWatch ensures you're protected night and day, year-round, with roadside assistance for your Hino truck anywhere throughout the United States.
All Allison transmissions include Hino's 5-year, unlimited-mile transmission warranty. This is simply the best base transmission warranty in the industry that extends to Class 6 8, and includes Hino L and XL Series models.
Hino Trucks is simplifying the path to zero emissions and vehicle sustainability with the introduction of Hino InclusEV, a premier portfolio of end-to-end electric vehicle [EV] enablement solutions exclusively available from Hino's nationwide dealer network.
Parts | Service | Financing
get hino help

genuine hino parts engineered for your trucks.
Parts
Dario Diesel is New England’s premier truck parts department, providing our customer with the finest service since 1959. At Dario diesel we are committed to exceeding our customer’s expectations when it comes to meeting your parts needs. Our experienced and knowledgeable staff’s expertise is what makes the difference. Working as a team, our counter sales representatives, outside sales representatives, and our team of delivery drivers work together to ensure we minimize your downtime.
If by chance we don’t have what you need in our expansive inventory featuring Hino, Volvo, Cummins, Caterpillar, Autocar, and many other manufacturers’ parts, our team will do what it takes to get you your parts as quickly as possible. Contact us today, and experience the Dario Diesel difference, after all, Dario is Diesel.
Parts Contacts
Toll Free: (800) 223-2746
Phone: (508) 753-8177
Fax: (508) 791-9593
Monday-Friday: 7:30 am - 6:00 pm
Saturday: 7:00 am - 3:30 pm

SERVICE YOUR HINO OUR HINO TRAINED TECHNICIANS ARE HERE TO HELP.
Service
Our Service Department at Dario Diesel is committed to providing you with the most efficient, reliable, and quality repairs to keep your truck up and running. Our service department is staffed with experienced and knowledgeable ASE factory-trained certified technicians for Hino, Volvo, Cummins, Caterpillar, and Autocar just to name a few.
At Dario Diesel we offer a variety of services to help keep your truck on the road. Our repair services cover a wide range, quick lubes and preventative maintenance, electrical diagnostics, exhaust after treatment diagnostics and repairs, engine overhauls and swaps, transmission replacement and rebuilds, dynamometer diagnostics and testing, and much more.
At Dario Diesel no matter how big or small the problem, we will get it fixed and get you back on the road.
Service department Contacts
Toll Free: (800) 223-2746
Phone: (508) 753-8177
Fax: (508) 791-9593
After Hours 1-866-365-4466
Monday-Friday: 7:00 am - 7:00 pm
Saturday: 7:00 am - 3:30 pm

Accessorize your hino truck.
Accessories
HinoStyle enhances your Hino truck with premium quality stainless steel accessories. Our trim pieces feature highly polished 304 grade stainless steel, while our durable steps use 430 grade steel for maximum endurance. All adhesive products utilize heavy-duty 3M tape for superior bonding, and come with detailed installation instructions. Professional installation is recommended. Products carry a 12-month unlimited mileage warranty against defects, excluding electrical components.

Finance your trucks with Hino's trusted partners.
Financing
Our Finance Manager along with our various financing partners, Toyota Commercial Finance, Hitachi Capital America Corp, and several other well-established financial institutions; will work to find the best finance and or lease programs that meets our customers needs.
Finance Contacts
TOLL-FREE: 1-800-223-2746
LOCAL: 508-753-8177
FAX: 508-757-2572
Monday - Friday: 8:00 am - 5:00 pm
Hino News & events

ACT - Alternative Clean Transportation
May 20-23, 2025
Explore cutting-edge medium duty technology at the ACT - Alternative Clean Transportation Expo, at the Las Vegas Convention Center.

NBWA
September 29-02, 2025
Join us at NBWA in San Diego, California.

NTEA Commercial Vehicle Upfitting Summit
October 15-16, 2025
Join us at the NTEA Commercial Vehicle Upfitting Summit at Kalahari Resorts in Sandusky, Ohio.

American Towman Expo
November 21-23, 2025
Join us at the American Towman Expo in Baltimore, Maryland.
get in touch
contact us
We'd love to hear from you! Whether you have a question, need support, or want to share your feedback, we are here to help.
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Location
Hino of Worcester / Dario Diesel Service, Inc.
182 Southwest Cutoff
Worcester, MA 01604 -
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Phone
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fax
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Company Website
https://www.dariodiesel.com -
Additional Contacts
Service Manager: Dave Thibeault
Parts Manager: David Messier