Brent 644 Gravity
Brent 644
Average price
$12,500




5+
sold in last yearGeneral overview
Brent 644 is a grain cart made in the United States for crop harvest handling. It is used to receive harvested grain in the field and move it for transfer during unloading operations. The model was produced from 2004 to 2019. It has tractor hydraulics requirements of None for unloading; possible optional hydraulic brakes but no published flow/pressure requirements.
As a grain cart, the Brent 644 is built for in-field grain collection and transfer alongside harvesting equipment. Its published hydraulic information indicates unloading does not require tractor hydraulics, while hydraulic brakes may be optional. That makes it a towed attachment intended for grain movement during harvest rather than a powered machine with its own drive system.
Year
2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Country of manufacturing
United States
General specifications
Grain Cart Capacity
21,238.83 L
Hub Size/Spindle Diameter
127 mm (5 in) spindle diameter
Front/Rear Slopes
40° front / 30° rear
Back Slope
30 deg
Door Width
0.91 m
Chute Height
3.78 m (12 ft 5 in)
Unloading Time
90 s
Grain Cart Wheel Size
800/65R32 radial tires
Grain Cart Turning Radius
7.6 m (25 ft)
Additional specifications
Capacity Heaped
22,900 cu(m)
Tractor hydraulics requirements
None for unloading; possible optional hydraulic brakes but no published flow/pressure requirements
Brent 644 Gravity Listings
$12,500
21238.83 L
22900 cu(m)
None for unloading; possible optional hydraulic brakes but no published flow/pressure requirements
Clifton, United States
Compare Brent 644 Gravity to other gravity
Not sure which equipment to choose? Use our comparison tool to easily compare equipment side by side based on key features.
Add model
Add model
No reviews yet
Be the first to review this model.
Leave a review. Get a promo code
Leave a review and receive a promo code for your next purchase.
No questions yet
Be the first to ask a question about this model and help other buyers learn more.
Heavy equipment insights from JumboBee
October 5, 2026
How to Choose the Right Excavator Bucket: Types, Sizes, and Contractor Buying Guide
This guide covers excavator bucket types, capacities, compatibility, and how to choose the right bucket for your jobsite.
September 28, 2026
Mini Excavator Buying Guide 2026: Best Models, Sizes and How to Choose
This guide breaks down everything you need to know about compact earthmoving equipment.
September 21, 2026
Types of Forklifts: Complete Guide to Classes, Uses, and Applications
This guide covers official forklift classes, physical machine variations, and load capacities.
August 25, 2026
Repair, Rebuild or Replace Heavy Equipment: 2026 Cost-Based Decision Guide
This guide provides a mathematical approach to help you decide what to do with your aging machinery in 2026.
July 31, 2026
How to Inspect Used Heavy Equipment Remotely: Practical Checklist for International Buyers
This article provides a practical, step-by-step guide for evaluating machinery without physical access.
July 10, 2026
New vs Used Heavy Equipment in 2026: Cost, Risk, ROI & When Each Option Wins
This guide explores new vs. used machinery investments, from costs and risks to financing and ROI.
Got Questions?
Our FAQ section covers everything from shipping and listing to buying with confidence.
Can't find what you're looking for?
Sign up and talk to an expert.
Most popular
What is the average price of a Brent 644?
No confirmed market price is supplied for the Brent 644. Check current listings and compare condition, location, and configuration.
What are the key advantages of the Brent 644?
The supplied specifications list a heaped capacity of 22,900 m³ (29,952.06 cu yd). They also state that no tractor hydraulics are required for unloading. Optional hydraulic brakes may be available, but no flow or pressure requirements are published.
What type of engine does the 644 use?
The supplied data does not confirm an engine type for the Brent 644.
How much horsepower does the 644 have?
The supplied data does not confirm a horsepower rating for the Brent 644.
What fuel does the Brent 644 use?
The supplied data does not confirm a fuel type for the Brent 644.
What jobs is this Grain carts best suited for?
The Brent 644 is identified as a grain cart. The supplied data does not provide further detail on specific crops, field conditions, or operating applications.
What is the expected lifespan of the 644?
No expected service life is supplied for the Brent 644. For a used unit, inspect the cart body, running gear, unloading components, tires, and brakes, if fitted, and review maintenance history.
What should a buyer check when purchasing a used Grain carts?
Inspect the cart body for damage or corrosion, check the running gear and tires, and test unloading operation. Verify that the unloading system does not require tractor hydraulics, and inspect optional hydraulic brakes if the cart is equipped with them.





















